So I ordered a Sony NEX-3 for a 10 day trip I'm leaving for next Friday. I now need a SD memory card for it. Any recommendations on a decent memory card that won't break the bank? I'm used to shooting CF cards in DSLR's, so I know next to nothing about SD cards. I've figured out that the "class" is generally speed, but I've also seen mixed comments on whether or not the class is an accurate measure of speed. Any guidance will be much appreciated. I'm hoping to pick up a 32GB SD card. Thanks.