i don't really remember the details of my spec.. but it's as follow:
PIII 600mhz
128 SDRAM
20 GB HD
NVIDIA TNT Somethign.. crappy.
I'm ganna upgrade it to
2.4GHz 533FSB PT4
PC133 512MB SDRAM
Maxter 80 GB / external version
NVIDIA XFX GeForce4 Ti 4200
Estimated price of $700 CD
but can you give me a breif summary of what happens in blueshift and opposing force? I didin't get to try those. However, i did play the HL for ps2 :D pretty neat.