Yes it should work, what motherboard are you using? You should take a better PSU like this one: http://www.amazon.com/Corsair-Certified-Compatible-Platforms-CMPSU-600CXV2/dp/B004W2T2UQ/ref=sr_1_1?s=electronics&ie=UTF8&qid=1346454459&sr=1-1&keywords=corsair+power+supply
it's more reliable than the thermaltake and better quality too.
what is the screen resolution? And where are you from? Can you order from somewhere else than amazon?
The video card is getting old and you might find something better depending on budget.
my screen res is at 1366 X 768. i am from lower PA, USA. and yes I can order from somewhere else besides amazon.
My computer is a eMachines ET1831-03.
This psu you linked is great! I will look for a new graphics card although I am not sure the cutoff point for something that would be compatible with 600w psu. If I could get some recommendations for a nice graphics card that would be helpful as well