I've heard that the SanDisk Micro SDHC is slower than most others. I have a Toshiba 4GB Class 4 card and it works pretty good. A bit pricey though.
http://www.amazon.com/Toshiba-MicroSDHC-Mi...e/dp/B000UZ10DG
Also to read the SDHC cards you will need an SDHC compatible card reader, as the...