I've been hunting down the limited edition Xbox 360 consoles. Aside from some of the ridiculously rare ones (like the GTA IV one, etc), I am still missing the Reach and Residnet
Amazon.com: Xbox 360 Console Halo 3 Special Edition (with HDMI)
Xbox 360 Halo 3 Special Edition Console w/Custom Lights & Matching Controller | eBay
ORIGINAL XBOX 360 UNBOXING! Halo 3 Limited Edition Console Collector's Edition - YouTube