My CPU temperature is 53 C, and my M/B temperature is 36 C. Last night I tried without X and it still froze.
First, try without X. Start in single user mode, and check if it freezes. If it does, it's probably a hardware issue, check ram and cpu temperature before anything else.
I also remembered that I installed bluetooth, so I tried turning it off. It hasn't frozen yet but I don't know how long it will take. If it is bluetooth, is it possible to stop it from freezing? I've used bluetooth in other distributions so I know my bluetooth adapter works.
If not, it could be an issue with your video driver.
Those are just some ideas, it could virtually be *anything*.