You can get these too http://www.ebay.co.uk/itm/Hard-Disk-Drive-HDD-Case-XBOX360-Slim-20-60-120-GB-/170762360228?pt=Video_Games_Hard_Drives&hash=item27c23ad5a4#ht_3197wt_1344
Lmao I just dismantled too mine the official cases are really tight lol I had to bore a hole in the end of mine to be able to pop the top off and even then it snapped most of it luckily I didn't damage the HDD in the process lol