At the moment, I'm successfully using a 16GB Class 6 SDHC card (made by Patriot). Looks just like this one here:
http://www.amazon.com/Patriot-Class-SDHC-Flash-Memory/dp/B000VE4PNS
No issues/problems with it...
Marilyn
http://www.amazon.com/Patriot-Class-SDHC-Flash-Memory/dp/B000VE4PNS
No issues/problems with it...
Marilyn