video card question

i have a good ole peice of crap emachines computer t2742 so no agp slots... and the best card i could find with pci in my price range is listed on newegg.com http://www.newegg.com/app/ViewProductDesc.asp?description=14-140-041&depa=1

will this actually work in my computer im thinking it has 32bit pci slot but im not sure. im trying to find a video card for under 100$ cause i dont plan on using the emachine for long. i want to be able to play world of warcraft and i know that the geforce 5700 does decent on fps testing.
please help.