What to look for when buying a memory card for a digital camera??

Depends on the type of camera you have. You want to make sure you get the right kind for your camera. Then you want to get the right size. Are you going to take a lot of pictures or a lot of video? then I would suggest at least 1G. Best buy usually has good deals on memory cards.

Storage Capacity and the right type of memory card for your Camera

size and speed
you need the speed for the movie function

Look for the manufacturer's recommendations -- or your warranty may be toast.