I recently got my system all hooked up, I ordered an eheim 1048, and all I'm cooling is my CPU
Ok here's my setup. I have an XP1900 unlocked running at 10.5x167 which is reporting as 1765Mhz.
I have a blaceice radiator. No mod just a black ice, with a panaflo M1A, and a Maze2 from danger den. I have a lian li PC65 case, and my black ice fit perfectly right behind the front stock intake fans so I have the stock intake fans, then the radiator, then my panaflo.
Anyways, after letting it run for a couple days to make sure nothing leaked, I put it in. Anyways my idle temps depending on how I run my fans are 34-36C and my load temps are 39-40C. This is reported with the onboard thermister.
My temps with air cooling before were 43-45C idle, and 48-50C load
here's some shots of doing and getting ready for watercooling