I have dug in deep and figured out a lot about building Hackintoshes with regular PC’s.  I’m happy with my results and the speed at which they run:

My Beast

Mac OSX 10.5.4 – JaS release

Intel Core 2 Duo 3ghz (E8400)

2G Corsair DDR2 800MHz

LG DVD+-RW Pata

Seagate 160G Sata 2 HD

Asus P5E-VM HDMI w/ Intel G35 Intel ICH9R

Atheros L1 PCI-E Gigabit LAN

BFG GeForce 9800GTX OC (working PCI-E x16/QI/CE Support)

12xUSB 2.0

Realtek ALC 883 Sound

IEEE1384 : VIA VT6308P (onboard sucks) http://www.firewiredirect.com/product/114/

Vanilla Kernel

SilverStone’s Sugo SG04 Case

(This machine also does Vista for VJ’ing and a few games

My Tablet – HP Compaq 2710p
Mac OSX 10.5.4 – JaS release

Intel Core 2 Duo 1.2ghz ULV Processor (U7600)

2G DDR2 667MHz

Toshiba 100G ATA

Mobile Intel GM965 ICH8

82566MM Gigabit LAN (unworking)

Internal Broadcom Wifi

Intel GMA X3100 (working QI/CE Support)

2xUSB 2.0

AD1981 Audio

Ricoh R5C832 IEEE1384

Vanilla Kernel

Need to work on: Sleep, Express Card/54, Web Cam, Wacom Tablet Functions, Fingerprint Senso

Not too shabby