Thanks for the response guys!
I'm guessing that my power supply will be a problem. This is what I currently have:
http://www.cputopia.com/psu-replacem...el-pc7068.html
After googling for a long time, this is the best replacement option I could come with (that would fit in my system):
http://www.pointtek.ecrater.com/p/87...ent-dell-power
Is it a huge job replacing a power supply?
Thanks again!