Second on the Zalman, but be CAREFUL installing it. Those damn things will cut you something fierce.

Can you take a picture of the inside of the case and post it? That will give us an idea of what the problem will be.

Most likely though it's a combination of cpu heatsink and poor airflow within the case.

Also on the raptors, do you have a fan aimed at those things? Are they stacked right on top of each other?

I'm a freak. My Skulltrail system always has one panel off and a Vornado fan aimed at the cpu, memory and graphics card. Temps are pegged at 35 Celsium

But damn is it noisy.

Forgot to add - Your motherboard should shut off before your CPU actually fries.