hi, i duno why ur videos are running slowly, maybe ur graphics card but i used to have that card and it worked fine with videos, maybe u need to format :p

i have

pentium4 3.2ghz
120gb
1gig ram
ati radeon 9800xt 256mb
realtek network card
soundblaster live 5.1
asus mobo p4p-800 delux

oh yehr and everything runs perfectly, i have battlefield 2 which recently came out, i run it on max everything including anti aliasing