They just had some type.of announcement about doubling production runs, so that may help. Also, the low end model may be the easiest to get, and you really don

They just had some type.of announcement about doubling production runs, so that may help. Also, the low end model may be the easiest to get, and you really don't need more than that. I'm sure the better drives are faster, but speaking from my own experience with a 64GB unit w/ 512GB micro SD card, it works just fine. Load speeds are perfectly reasonable, as are downloads/installs.