Oh yeah, you got the HAF932 like me In which case, as long as the heatsink is pushing the air toward an exhaust fan (and not down onto the graphics card (you're fine).
Let me now how you like the build
+1 to that. Quicker way to get to it is type 'Disk Management' into the Start menu.Right click My Computer > Manage > Device Manager > Disk Drives > Make sure it doesn't show up in there.
Also try unplugging the power and data cables and put them back in and make sure they're correctly in there. My hard drive kept disconnecting in the middle of using it after I installed my SSD and this solved the problem...