I've been looking around and think I may just go with a IBuyPower custom built computer. Then install Leopard on it.

IBuyPower Custom i7 core Link

I will list what I'm thinking of getting from top to bottom.

CASE --------------------- Nzxt Guardian 921 Gaming Tower Case w/420W Power Supply
Power Supply ------------ [= Gaming Edition =] 1000 Watt Extreme Power Supply [Gaming Series] ------------- Quad SLI + Active PFC + 80 Plus Read
Processor ------------- [New !!] Intel® Core™ i7 920 Processor (4x 2.66GHz/8MB L3 Cache
FAN -------------- XIGMATEK Dark Knight 120mm CPU Cooling Fan System
MOBO ------------ Asus P6T Intel X58 Chipset CrossFire and SLI Supported w/7.1 Sound, Triple-Channel DDR3, Gb LAN, S-ATA Raid, USB 2.0, 3-Way SLI PCI-E MB 3-Way SLI
RAM ------------- 6 GB [2 GB X3] DDR3-1600 Triple Memory Module
Graphic Card ------- NVIDIA GeForce 9800GT 1GB w/DVI + TV Out Video
Hard Drive for Music, Videos, Pictures --- 1 TB HARD DRIVE [Serial-ATA-II, 3Gb, 7200 RPM, 16M Cache]
Hard Drive for OS and Games ------------- 32 GB RiDATA 2.5 inch SATA MLC Solid State Disk ** Free RiDATA 25GB 2x BD-R Blank Disc **
Blu-Ray Burner ----------- [5X Blu-Ray] Sony Optiarc BC-5100S BLU-RAY Reader & DVD±R/±RW Burner Combo Drive
CD / DVD Burner ------------- [** Special !!! ***] LG 22X Dual Format/Double Layer DVD±R/±RW + CD-R/RW Drive (FREE)
Sound Card ---------- 3D Premium Surround Sound Onboard
Meter Display ---------- Thermal Temperature LCD Display

Hiya there, everything looks great, you will need to install retail leopard, check this guide

[How To] Install Leopard Retail DVD on ASUS P6T Deluxe LGA 1366 (core i7) - InsanelyMac Forum