also if your current case doesnt have a reset button and the new case you dont have the manual for your old case you could run into some problem.s i did,, took me forever to find out how to hook up the reset button and the usb drives (first comp i put in a new case), since i didnt have a manual. if you've done it before it may be easier, not sure.
i ended up doing that. i thought i could do it, attempted and failed for almost an hour, dl'ed manual off net, then it only took me 10 mins :-/. im not very smart. Make sure you have a manual before you start trying to connect the restart button