Video cards:
Nvidia's GeForce 9600 GT @ Tech Report
GeForce 8800 GTX @ Legit Reviews
Triple CrossFire Benchmarking @ Legit Reviews
Palit GeForce 9600GT @ Tweak Town
Gigabyte HD3870 @ Neoseeker
Leadtek WinFast PX8800 GT ZL 512MB @ Tweak Town
Palit GeForce 8800GT Super+1GB @ Techgage
XFX 8800GTS vs. Gainward 8800GT 1024MB @ Metku
EVGA e-GeForce 9600GT SSC Edition @ GamePyre
Galaxy 9600 GT 512MB OC @ Madshrimps 

Motherboards and chipsets:
VIA EPIA-SN Mini-ITX @ Tweak Town
Gigabyte GA-945P-S3 @ OC Mod Shop

Platforms and Chipsets:
Radeon 3870X2 @ AMDZone

Processors:
Intel Core 2 Duo E8500 @ Legit Reviews
TR's February 2008 system guide @ Tech Report

Systems and Notebooks:
ASUS U6S 12.1" @ PC Per
Asus U2E @ PC Per