I've been getting a lot of errors like the above on all 3 of my carts (2 x Real running Sakura and 1 x Simply), and also when using the Real software I sometimes get games that are, say, 16MB listed as 0MB or 3400MB or whatever. I've narrowed it down to duff MicroSD cards - if I format the cards then re-add the non working games, they work fine. All 3 of my MicroSD cards came with my carts as part of package, which was cheap, and from Amazon marketplace, so I suspect fakes. My question is where's the cheapest place to buy genuine SanDisk (or other decent brand) MicroSD cards (1GB or above)? Thanks a lot.