Having been shopping just today for a new HD camcorder, I can tell You that it would be best to take the card, & or camera to a retailer, & ask someone with experience. Salesperson I talked too said there are about 12 - 15 different types of cards. 2, 3, or maybe 4 might work; but figuring it out what will is the problem. Just some that I remember were...
Then You have different quality levels. Class #'s. Class 1 - 10; 10 being the best picture, video, & color. I didn't discuss anything below a 10. I want the best picture possible.