When I first got my iphone yesterday, it was working fine, but after about 2 hours the home button just wouldn't respond, i had to do a system restore on it to get it to work. A couple more times that same day it happened, but it seemed to fix after I reset it. It hasn't stopped working at all today, but now I'm getting this weird problem, where maybe 1 out of 5 times that I click on the home button when exiting an application, it will open up my "favorites" menu on my phone contact list. It's not a huge bother, but it sure does get irritating after quite some time. I'm considering going to the apple store and exchanging my iphone for another, but do they have to see the problem for themselves before they can do the exchange? Because chances are the problem won't happen while I'm at the store.