DIY Dual HD Tuner MCE

I’m trying to put together a system for my friend. It’s a lot harder than I remember it!Almost easier to go out and buy a HP z560 though they’re pricey at $1700.

So, anyone have thoughts on the following config:

SILVERSTONE LASCALA 10 CS-SST-LC10B Black Aluminum front panel, 1.0mm SECC body ATX Media Center Computer Case - $99.99

Thermaltake TR2 W0070RUC ATX 430W Power Supply 115/230 V - $39.99

ASUS M2N4-SLI Socket AM2 NVIDIA nForce4 SLI ATX AMD Motherboard - $88.99

AMD Athlon 64 X2 3800+(65W) Windsor 2.0GHz 2 x 512KB L2 Cache Socket AM2 Processor - $109

Seagate Barracuda 7200.10 (Perpendicular Recording) ST3500630AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s Hard Drive - OEM - $144.99

AVERMEDIA AVERTVHD MCE A180 DIGITAL TV TUNER - $81.13 x 2 - Recommended by a lead PM on the Media Center TV team

CORSAIR ValueSelect 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 533 (PC2 4200) Dual Channel Kit Desktop Memory - $139.99

GIGABYTE GV-NX76G256D-RH GeForce 7600GS 256MB 128-bit GDDR2 PCI Express x16 Silent Pipe Lead Free Video Card - $102.99 - No fan

The TV he is looking at, VIZIO VX37L HDTV - 37″ LCD HDTV -

The antenna, The Winegard PR-4400 4-Bay

Added:

NEC Black 18X DVD+R 8X DVD+RW 8X DVD+R DL 18X DVD-R 6X DVD-RW 12X DVD-RAM 16X DVD-ROM 48X CD-R 32X CD-RW 48X CD-ROM 2M Cache E-IDE / ATAPI DVD Burner - $30.99

MASSCOOL Stars-700 Silver thermal grease - $1.99

Antec SmartPower 2.0 SP-500 ATX12V 500W Power Supply 115/230 V TUV, UL, CUL, CE, CB, FCC - $69.99

GIGABYTE GA-M55SLI-S4 Socket AM2 NVIDIA nForce4 SLI ATX AMD Motherboard - $79.99