Here is a site that reviewed the case I have back in 2005. I didn't read the review but the pictures on the review look like mine except my case is all red instead of black and red. I didn't use the PSU that came with it. I have a Fortron Blue Storm 500w with a 120mm fan.
http://www.extrememhz.com/mgeviper-p1.shtml
Here's a pic showing my system temps:
Here's one showing my video card temps:
Everything seems to be ok.