Damn man, that doesn't sound good at all, you think it might be faulty? Sucks if it is, especially after getting it running so sweet on a decent clock
Microsoft really are morphing into Apple IMHO, it's like they don't trust anybody to know how to use the product properly so they just treat everybody as if they have a single figure IQ and need protecting from themselves. This will be the first time I've used Windows in years apart from XP in VirtualBox for work, and after a couple of hours I'm happy that it will be purely for gaming, with Linux Mint for everything else
Was surprised at how fast 10 installed but damn, I didn't miss those driver issues! "LAN not working? Go online to install the latest drivers..."
What lighting did you go for after? Look forward to seeing the results whatever you chose
Oh yes, and in a bit of completely shameless self promotion, check out my nowhere near as impressive as yours build log
over here 
(I wasn't brave enough to go for hard tubing!)
EDIT: Ran a stress test with CPU-Z and after 30 minutes the CPU topped out at 48°C. This is with the fans turned down low and pump set to 30%, so not too bad but not brilliant. Ambient temp 19°C Water temp topped out at 26°C.
