I have an old Sandisk 1GB card that works just fine in my X30 . . but want to pick up a couple of new 8GB SDHC Class 10 or better cards to use with the X30. It seems 8GB cards are becoming scarce so alternately a 16GB card might be appropriate. I searched and didn't find anything so a quick question here: Question: can anyone recommend a preferred card (brand and model) for the X30 regarding compatibility, speed, and size?