Originally Posted by KryptoNyte
I'm using a class 4, 8GB for mine at the moment, and the speed seems to be fine. It plays some reasonably large (1500 bitrate) video files without a problem, which would probably be where the problem would occur if there was one.
I just picked up (3) 16GB class 4 micro-SDHC from Amazon, some strange off-brand, so we'll see how well they work. Right around 30 bucks per 16GB SDHC.
I got the Kingmax 16gb class 10 from Amazon ($50). It works very well with 10Mbps writing.