Good guide !
CPU prices needs to be updated. They are already in effect.Also HDD prices are also outdated! Altec lansing 4121 is nowhere available for 2.3k

eg E7200 will be arnd 5.4k or even lower as it has dropped frm 133$ to 113$
But lot of new options are there in mobo/GPU market !
For the 45k rig here is my setup with updated prices and bit modified config
Low End Gaming Rig (Budget 45k)
Motherboard: Abit IP35-E 5.4k
Processor: Intel Core 2 Duo E7200 5.4k
Cooling: Thermalright Ultra 90+fan 1.9k
RAM: Transcend 2X1GB DDR2 800MHz 1.8k
GPU: Zotac 9800GT 9k
HDD: Seagate 7200.11 500GB ST3500820AS SATAII 3.1k
Cabinet: Cooler Master Elite 33X ATX 1.7k
SMPS: Corsair VX 450W 3.2k
Optical Drive: L.G. H62N 20x IDE / Samsung 203B/D 20x SATA 1.2k
Speakers: Altech Lansing VS4121 2.5k
Monitor: ViewSonic 19" VG1930WM / L.G. L194WT 8k
Keyboard: Logitech Multimedia .4k
Mouse: Logitech MX518 1.35k