My first PC build, went pretty smoothly. Only issue that wasn't down to the learning curve for me was that when fitting the motherboard was fiddly as the IO shield didn't sit well in the case and I found that I had to put a reasonable amount of force in to pushing the motherboard into alignment with the standoff because of this. Took me some time, mostly because I was paranoid about breaking the thing!
Worked grand from the off, boots fast, runs quietly (apart from the DVD drive!) so I'm pretty happy so far.
Case quite plain but I've never been one for fancy LEDs, nice internal cable management, plenty of room to tuck things round the back and leave it nice and tidy (well, after a bit of extra tidying - see comments and the obvious resulting improvements in the pictures!).
Not sure on the correct 3DMark scores to quote but for FireStrike with things acting straight out of the box (no attempts at fiddling with settings or overclocking, maybe one day if I need it or feel more confident!) the scores were:
9422 Graphics - 11,900 Physics - 7367 Combined - 4440
Again not 100% sure I'm using the right load tests, used OCCT for the CPU and MSI Kombuster for the GPU and stopped them when the temps seemed to be levelling out.