Budget illimité ...
je te conseille alors de faire un tour sur 
www.alienware.com , tu trouveras de jolie configuration matérielle, comme celle-ci :
[1] Auroraâ„¢ ALX 
Processor: AMD Athlonâ„¢ 64 FX-62 Dual Core Processor - Extreme Power! 
Operating System (Office software not included): Genuine Microsoft® Windows® XP Media Center Edition 2005 with Service Pack 2 
Chassis: Alienware® Full-Tower Case 
Chassis Upgrades: Alienware® Acoustic Dampening with AlienIce™ 2.0 Video Cooling 
Power Supply: 700 Watt Alienware® Approved Multi-GPU Power Supply 
Motherboard: Alienware® Approved NVIDIA nForce 590 SLI Motherboard 
Memory: 4GB Dual Channel DDR2 PC2-6400 SDRAM at 800MHz - 4 x 1024MB 
System Drive: Extreme Performance (RAID 0) - 500GB (2 x 250GB) Serial ATA 3Gb/s 7,200 RPM w/2 x 8MB Cache 
Primary CD ROM/DVD ROM: 16x Dual Layer DVD±R/W Drive w/LightScribe Technology 
Graphics Processor: Quad NVIDIA® SLI™ technology featuring four GeForce® 7900 GPUs 
Physics Processing Unit: Ageia PhysX Processing Unit w/ 128MB GDDR3 
Video Optimizer: AlienAdrenaline: Video Performance Optimizer 
Sound Card: High-Definition 7.1 Performance Audio - Standard 
Communications: Integrated Dual High Performance Gigabit Ethernet 
Elle n'est que 6000$ mais avec un budget illimité, ca ne devrait pas posé un souci pour toi. 
