@Alien: No need to fit your cooler, I'll order one and if it works, it works, if it doesn't it hasn't broke the bank! The CPU fan is the stock AMD one. It's controlled by the mobo via PWM (4 pin CPU fan connector) and according to PC Probe it was spinning at 6000RPM, temp up around 60°C! Not sure whats gone wrong unless the clip has come loose on the heatsink. The additional fan in the Crosshair box is not connected, it's only used when passive cooling like a watercooler is used, not when air cooling is used so the stock cooler is plugged into the CPU fan connector.
At least the system is stable! It's not resetting, freezing or BSOD'ing, YET!!
@keith: I rung my mate about his watercooler but he's selling it to one of the guys he works with as he reminded me I said I didn't want it

As for the AM2 compatability, not sure! The board I put this water cooler in was a socket 940 and we had to remove the black bracket around the CPU and then put 4 bolts through the back of the mobo and backplate and then put a 'H' bracket over the bolts and slide it onto the water block then screw it down. It may work on an AM2, but won't know now he's selling it!