Thanks for posting your experience. I've never used the reset button on my PE and assumed it was simply the equivalent of popping out the battery on the EE (which has a replaceable battery but no reset switch). It could be you lost some personal settings because of file corruption (as you used to get on a PC if you just turned the power off; you don't get that problem as much with modern PCs).

What I have done on my PE, though, is hold the Power button "Off" for 5-10 seconds until it turns off. Perhaps this is the safer alternative to the reset button.