So how much did this "budget" system run ya?
about $750.  Was looking at "gaming" machines but didn't want to spend $1500!
  KB&MS LOGITECH|EX110 CRDLS DSKTP RT  1 $30 (extravigance coulda reused my existing KB+Mouse)      
  VGA EVGA 512-P3-N801-AR 8800GT 512M  $164 (after rebate)
  CPU INTEL|C2Q Q6600 2.40G 775 8M R      $240
  CASE NZXT|CS-NT-ALP-WOW RT               $60  (it has a "too kewl" window....no window save $10)      
  HD 250G|ST 7K 8M SATA2 ST3250310AS     $60  (smaller drives cheaper)   
  MB ASUS P5N-D NF750I SLI 775 RETAIL      $150 (the 680i version is cheaper...but no V2.0 pci-e)
  MEM 1Gx2|CRUCIAL BL2KIT12864AA804 R     $30 (after rebate...winxp pro wont go above 3GB...otherwise I woulda gotten 4GB)
Reused my Antec HE Neo 550W PS.  (and its not even pulling half of that)
Reused an IDE HP DVD/CD Burner Drive from the old machine. 
Reused WinXP Pro. 
Softail