With Tom's System Builder Marathon in mind: Build a Infinite Budget PC

Won't make much sense but for the sake of this thread, something with the 980X and an EVGA Classified X58/5520 Mobo with a GTX 580 quad SLI. (Does it even support that officially?).

I would assume that in an *infinite Budget* you would spend alot on periphials. Like a nice game room, 6 Monitors of High quality 3d, the latest and greatest GPU ran in max crossfire mode.

I mean you could go Server side with some xeon processors that make i7 look like a p3 with a .2mhz OC

300TB of SSD hd space, with a Elitist series 802 switch.

OC 45 line, with multi casing fiber optics,

I think you get the picture...

With high end all pc components you would be very limited by regular ISP, as well as any cable under 4000$ /meter

You might as well just say "super Computer" and spend a billion on it since that's about how far infinite is these days

Yeah, but I think the OP might be talking about desktop PC's since he wants to buy parts from Newegg.

"Best" off-the shelf desktop PC "Money no object" as of Feb 2011:

Core i7 990x - $1000
GIGABYTE G1.Assassin - $550
12Gb Corsair DDR3 2000 - $300
2x Asus GTX580 OC SLI - $1000
Antec HCP 1200W PSU - $310
1TB OCZ Revodrive - $4000
2x 2TB Samsung Spinpoint F4 - $180
Lian Li Aluminium Case - $500
Pioneer BDR206 - $120
Creative X-Fi Titanium HD - $160
Custom Watercooling rig ~$500

Total cost: $8620

Personally I wouldn't trust a water rig I'd built myself for that amount of kit, but if money is really no object, what the hell...

Potential improvements I decided against:

You could go Xeon, but the support isn't there for games, better off with the 990X.

You could go for a Professional grade sound card, but I think the X-Fi is better in games, and I don't like the idea of having 2 sound cards.

You could go to 3-way or quad SLI, but that simply doesn't work in enough games to be worthwhile. In the games it does work in, it's often slower than 2-way. Even 2-way is a little crappy to be honest.

You could add more HDs or more SSDs but I think any more storage is a little silly. Better off with an external NAS with RAID mirroring etc if you really need more than 5tb (!)