Where in the world can I configure a PC like this:?

Processor: Intel® Core™2 Extreme X6800 (4MB, 3.46GHz Factory overclocked),Motherboard: Alienware® Approved NVIDIA nForce 680i SLI Motherboard,Memory: 4 x 4GB PC6400C4 DDR2,
Hard Drive: 3TB Performance RAID 0 (4 x 750GB SATA 3Gb/s 7200 RPM HDDs),Cooling System: Dell XPS 710 H2C,Optical Drive: 2X Dual Layer Blu-Ray/ DVD±RW/ CD-RW Burner w/ Nero Software
Floppy: 3.5" 1.44 MB Floppy Disk Drive - Black
Media Reader: Alienware® 28-in-1 Digital Media Reader/ Writer
Security: APC Personal Biometric USB Pod - Fingerprint Reader
Power Supply: Alienware® 1000 Watt Multi-GPU Approved Power Supply,Video Card: Dual NVIDIA® GeForce® 8800 GTX, 768 MB
Video Optimizer: Video Performance Optimizer (Alien Adrenaline),
Physics Accelerator: AGEIA PhysX Processing Unit w/ 128MB, GDDR3,Sound Card: Creative Labs X-Fi Fatality FPS with Breakout Box,Modem: 56K PCI Data Fax Modem,Wireless Routers: Netgear WPN824 RangeMax™ Wireless MIMO Router,
Gaming Accessories: Ergodex DX1 Gaming Input Device&USB 2.0

Can I dual Boot Windows 98 On Our Pc’s?

i7-965 Extreme 3.2 GHz 8MB Cache
High-Performance Liquid Cooling Acoustic Dampening
1200 Watt Multi-GPU Approved Power Supply
Dual 2GB GDDR5 ATI Radeon
Adrenaline v1.0 Video Performance Optimizer
12GB DDR3 SDRAM
Intel X-58 Motherboard Socket 1366 Core i7 Ready, Dual Triple Channel DDR3 Memory
Windows Vista Ultimate 64 bit
2TB Hard Drive another 2TB
4xDual Layer Blu-ray Burner
Killer K1 Gaming Network Interface Card
Creative Sound Blaster X-Fi

or my sister dell computer

Windows Vista 64 bit Ultimate
Intel Core i7-965 Extreme 3.73GHz
6GB Tri-Channel DDR3
ATI Radeon HD4870X2
2TB Performance Data Security RAID
1TB SATA II 3GB/S 7200RPM 32MB Cache
Dual Drives Blu-ray Disc Burner
19inch LCD tv
Killer K1 Gaming Network Interface Card
Sound Blaster X-Fi Titanium
19 in 1 Media Card Reader with Bluetooth 2,0

We Both Have Gaming Pc BUt Our Mom is a little Old In Does Not Know how to use xp and vista she start to cry when we got her a vista laptop for her birthday however i was clean up her room in found a windows 98 disc in was wondering could we put it on one of these pc or would it be likewindows 98 on crack lol without destorying our Pc’s