Hey guys does it matter what type of class the MicroSD is using? I'm probably going to be heavy on video viewing and was wondering if there is a class number that I should be aiming for smooth playback or does it not matter? Second question, most of my older videos are encoded for my long gone iPhone, will it look blocky on my upcoming Nexus One? Will it fill the screen or will it be playing at its native resolution with black letterbox all around? Much appreciated to those who feedback!