Used the ultra crystal with my evo and the matte one with my transformer. Both were cut very precisely, highly scratch resistent and in the case of the ultra clear it was not that different from the bare glass. I've used bodyguardz, zagg, clairvue, martin fields, seidio and steinheil, and I would rate steinheil my favorite followed closely by martin fields then clairvue because its a better value than the other two. I had a bunch of seidio ones and they seem pretty regular, good quality but I have to replace them all the time for my parents' iPhones.
Zagg and bodyguardz I did not like at all because of the grippy feel, if its not a hard plastic it just doesn't feel right to me.
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