10 box machine setup, first timer help

[Ishar]

My setup for 10 boxing is:

Case: Corsair 800D [I previously had an Antec 1100]
GPU: MSI Lightning Radeon HDR7970 [In eyefinity 6, mostly cause I had 6 monitors from my hardware boxing days].
CPU: Intel i7 3930k
RAM: G.SKILL Ripjaws Z Series 32GB (8 x 4GB) DDR3 1600 (PC3 12800)
HD: OCZ Agility II 90 GB SSD for Win (7, x64) and WoW only.
PSU: CORSAIR Gold Series AX850 [850 Watt]
MB: ASUS P9X79 LGA 2011 Intel X79
CPU COoler: Corsair H100

Other Thoughts:
My previous 3d card, a Radeon HD 6850 was up to the task but had a few issues.

My case is a 'water cooling' case. I only have water cooling on the CPU though. This probably means things run a little unnecessarily hot, but I haven't noticed anything outside tolerances. If you don't want to mess with water, the 1100 is probably a better case; tho its hard to fit the H100 in it. [my motivation for changing away from it]

One thing I've found, is all my beastly builds have stability issues for awhile. And then once stable, if I change things [e.g. upgrade a component], things get unstable again. Go figure. Definitely not a build and forget experience for me, but your mileage might vary. Most of my issues stemmed from either Eyefinity 6 driver issues [getting stuck in non-HW accel mode, or driver BSODs, etc] or my MB [automatically [and poorly] overclocking things with default settings] Eyefinity is getting better with time, though. [and 3x is way less picky, with tons of screen real estate as well]. And the MB issues have gotton better with time [Bios updates and such].

I love the 3930K. Zero regret from getting it.

I don't really have any FPS issues in WOW, not even in docks in IOC. You will probably have to tweak slave video settings a bit though for optimal performance; and be mindful of addons x10.

Edit: Per fancy NIC; I currently use onboard. the fancy NIC [VisionTek Bigfoot Killer 2100] didn't seem to really help, and took system stability to absolute crap. Initially bought because I thought it might offload a little bit of CPU utilization, but with 3930K, my CPU has no issues handling 10 clients.