The User's Manual for my enV3 says that it supports 16GB MicroSD cards. But it doesn't specify if the phone can or cannot support Class 4 or Class 6 flash memory. I really don't understand the difference other than '6' is supposed to be faster.
However, I've read that fast memory might not work (or might not work as fast) depending on whether the host device can support it. Something about clocking.
Anyway, does anyone know if the enV3 can use the Class 6 flash? And if so, does it make enough of a difference to warrant a higher price?