Monitor - 15" na 17" flat. [higher refreash rate)
Ram : 1GB (DDR to Common)
display : 256 Mb Pci Express ( budget cover korle higher- before buy read the manual top-bottom very carefully...read all the features.u can get it online)
HDD : sata .if there any new release with higher RPM.
Processor r shate Mother Borad adjust koro.
Casing : Try to fill up all colling unit.
Add-Ons : A especial cooling system for ur M/B s North bridge.
EDIT : Intel Process.
- I gez.. dual core is a fasination.But actual its not a need.
-- If not dual core.Find a processor with higher L1 & L2 Cash.
-Pick Intel's origin mother board.
-During pick the ram..try to find higher bus speed.
Compare Feature : use
Tom's Hardware
[This site will help u to find proper hardware]