every refurb ive received has had a flaw of some sort. for me, every encounter happens to be some blemish on the screen (lighter spots on the screen, sensitivity, etc) though as stated, most refurbs wont be free of problems. but if youre touch was one of the first builds or simply gone to crap, it wont hurt to have it replaced. eventually youre replacement of the replacement will be better than what you first bought
