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Hello! I'm building my new gaming rig and I had the opportunity to purchase the I7-4930k for a good deal. So I took that opportunity and now I'm building around that CPU. This will be my first Intel build and my first high end'ish' gaming rig.
In my rig now I have the AMD T1090 and the Sabertooth 990FX and I have never had an issue with the board even when I updated the bios. So the Sabertooth series has been good to me.
With this new build I have narrowed it down to two MBs. The Sabertooth x79 and the Rampage IV Black Edition. Money isn't an issue as I can save up for another month and get the more expensive one if needs be. I just want to get the board that will optimize the I7-4930k the best.
I have been doing my own research and found two things that really stand out for me on the Rampage IV Black Edition :
Intel Gb LAN with GameFirst
The latest Intel 1217 Gb LAN minimizes CPU overhead under high bandwidth utilization, which combined with ROG GameFirst ensures the lowest ping times. For wireless scenarios, the included mPCle Combo combines 802.11ac Wi-Fi/Bluetooth 4.0 and M.2/NGFF slot in one.
And
ROG RAMDisk
Game faster from start to finish by combining ROG hardware and software. ROG RAMDisk software makes the most of the DIMM design on the Rampage IV Black Edition by creating lightning-fast virtual drives for temporary storage. RAMDisk can also be used for partial caching to automatically store large, slow-loading files like maps into memory.
Are these features needed? Are they used? Or are they just Asus bloat that people just ignore. I dont know enough about these features and if they are something that makes a huge difference in overall performance or not. Like I said money isn't an issue but if I'm paying for features that won't be utilized then there is no point in paying the extra cash.
I'll be transfering over my Samsung Pro 840 256 gig SSD, WD 1TB Black, GTX 680 x2 in SLI, Corsair 1200 power supply, 16 gigs or Corsair Vengeance Memory and I'll reuse my Corsair Carbide 300R case which according to the specs on the Motherboard an E-ATX Should fit with no issues. (Can this be confirmed too please) I also will be purchasing the Corsair h100 extreme CPU cooler, will this cause space issues with my case I have now if I go the Rampage route?
Other notes: I will be upgrading to Windows 7 Ultimate so I can fully optimize the new boards 64 gig potential. Then of course I'll be upgrading my memory (thoughts on new memory that best fits the board you recommend would also be appreciated.)
I have no plans on getting a third GTX 680 but I suppose I could if you all recommend the Rampage over the Sabertooth. As I know the Sabertooth only has 2 slots for 2 video cards.
As far as overclocking. I've never been one to 'push the limits' of my rig. A nice stable overclock will do and both of these boards will do this well so that isn't and buying feature I'm really worried about.
Thank you in advance everyone who takes the time to read and answer my questions. It is much appreciated.

ASUS today announced the Republic of Gamers (ROG) Rampage IV Black Edition, an E-ATX gaming and overclocking motherboard designed to unleash the full potential of Intel LGA 2011 Core i7 Ivy Bridge-E processors is available for pre-order at select sites.
Based on the Intel X79 Express chipset, the Rampage IV Black Edition includes all of the best ROG technologies and innovations for unrivaled gaming and overclocking performance. With its four PCI-E 3.0 x16 slots, two PCI-E 2.0 x1 slots and eight DIMM slots supporting up to 64 GB of overclocked DDR3 DRAM, the Rampage IV Black Edition has near limitless expansion possibilities, including support for both 4-way NVIDIA SLI and AMD CrossFireX.Every Rampage IV Black Edition includes a free copy of Assassin's Creed IV: Black Flag, allowing gamers to take advantage of premium ROG hardware and software features right out of the box.
Born to push limits and break records
ASUS designed the Rampage IV Black Edition for those who demand the ultimate feature set. It includes the OC Panel, a real-time system-monitoring and tuning console that is great for gamers and a huge advantage for overclockers. It can be mounted internally for everyday monitoring of temperatures, base clock and fan speeds while also offering one-click CPU Level Up for an instant speed boost. Externally, it can be used to monitor and control multiple parameters in real-time via onboard buttons. Extreme overclocking has never been easier.
Prior to becoming widely available, world-class overclockers have already demonstrated the Rampage IV Black Edition's record-breaking capabilities as it currently holds chart-topping scores in top benchmarks and numerous other world records on the X79 platform.
Built for the most demanding games and gamers
In order to be able to push the limits, ROG engineers combined thoughtful design with superior quality components.
The Rampage IV Black Edition's Extreme Engine DIGI+ III voltage-regulator module (VRM) provides highly precise and stable power delivery by employing NexFET MOSFETs, 60A (amp) chokes and high-endurance Japanese-made 10K black metallic capacitors. The motherboard's black-themed heat-sink is exclusively and cleverly integrated with the MOSFET area to extend to the input/output (I/O) cover for even better cooling and stability.
Built-in SupremeFX Black technology provides sound quality that is on par with high-end dedicated sound cards. Premium components such as ELNA audio capacitors and German-made WIMA film capacitors deliver impeccable clarity, while high-fidelity op-amps (operational amplifiers) and a Cirrus Logic CS4398 DAC (digital/analog converter) deliver lossless audio and a brilliant 120dB SNR (signal-to-noise ratio).
ROG's Sonic Radar on-screen overlay provides fans of first-person shooter (FPS) games with an ear to the ground, as it displays the precise direction and origin of in-game sounds such as gunshots, footsteps and call-outs - giving ROG gamers a leg-up when trying to pinpoint the enemy.
Ultra-fast Intel Gigabit Ethernet with ROG's GameFirst II utility optimizes network traffic to keep latency to a minimum and reduce all-important ping times. The ROG RAMDisk utility allows up to 80% of a computer's available RAM to be used as a high-speed virtual drive - lending a strong performance boost to many modern games that regularly read or write data during gameplay.
AVAILABILITY
The Rampage IV Black Edition is currently available for pre-order at Newegg.com for US Customers and Canada Computers, Memory Express and NCIX for Canadian customers. General availability is scheduled the week of November 18, 2013.