I have some of the parts and am awaiting the rest for a MS MCE2005 based system.
I'll put it together and network it to a similar (main) system I will build first.
MCE2005 System:
Asus A8N32-SLI Deluxe nForce4 SLI X16
AMD Athlon 64 X2 4800+ Dual Core S939 Toledo CPU
Zalman CNPS9500 LED Copper CPU Heat Sink 92MM Fan
2GB (Corsair XMS-3500LL PRO 2GB kit)
Antec P180 mid-tower case w/4 120mm Antec TriCool fans
Thermaltake Hardcano 13 5.25in multi-function drive bay controller
Enermax Liberty EL620AWT 620W Modular PSU ATX12V v2.2
ATI Radeon X1800XT 512MB PCI-E Dual DVI HDTV-OUT Video Card
(component OUT to 36? Sony Wega XBR-400 NTSC HD ready TV).
ATI TV Wonder Elite Theatre 550 PRO PCI TV card Tuner with remote control
2 x Seagate Barracuda 7200.9 500GB SATA 3Gb/s 7200RPM 16MB HDD
250GB Maxtor One Touch External Ultra ATA-133 7200 RPM HDD [1394a]
BenQ 16X DL DVD+/-RW w/LightScribe
FDD
Turtle Beach Montego DDL 7.1 sound card S/PDIF optical OUT to Denon
AVR-3802 7x110W DD/DTS ES/ DPL II based HT System
Logitech Cordless Desktop MX 5000 Laser Bluetooth (MX 5000 keyboard; MX 1000
Laser mouse; USB Bluetooth mini-receiver).
Microsoft Remote Control w/USB receiver OEM for MCE2005.
MICROSOFT MEDIA CENTER 2005 OEM (XP Pro SP2)
Etc
Here are 2 other good forum links:
http://www.thegreenbutton.com/community/
http://www.xpmce.com/forum/index.php?sid=153f86daa382127fc9987c4a43eb0790
Happy trailz,