I've picked this:
Case: Coolermaster 690 $59.99
http://jbrlsr.com/?aid=5336121828&bi...82E16811119137
Motherboard: Gigabyte GA-EP45-UD3P $134.99
http://jbrlsr.com/?aid=5336121828&bi...82E16813128358
Processor: Intel E8500 Wolfdale $189.99
http://jbrlsr.com/?aid=5336121828&bi...82E16819115036
Ram: Corsair 4gb (2x2gb) ddr2 1066 $73.00
http://jbrlsr.com/?aid=5336121828&bi...82E16820145214
CPU Cooler: Zalman 9700 $49.99
http://jbrlsr.com/?aid=5336121828&bi...82E16835118020
Power Supply: Corsair 850TX $149.99
http://jbrlsr.com/?aid=5336121828&bi...%26Tpk%3D850tx
Video Card: Sapphire HD4870 1 gb $189.99
http://jbrlsr.com/?aid=5336121828&bi...82E16814102801
Hard Drive: Seagate 640gb $69.99
http://jbrlsr.com/?aid=5336121828&bi...82E16822148335
DVD Burner: Asus Black $28.99
http://jbrlsr.com/?aid=5336121828&bi...82E16827135186
Blu-ray reader (among other things) $119.99
http://www.newegg.com/Product/Produc...82E16827135185
Operating System: Vista Home Premium 32 $99.99
http://www.newegg.com/Product/Produc...82E16832116485
I added the blu-ray reader, and i'm going to get 32-bit vista premium, instead of 64-bit.
The case has enough cooling of its own to cool everything, right?
EDIT: Fixed links.