I'm heading to Italy for 2 weeks in a couple of months and need something to dump pictures on. I have a 4 gb card, and know I can always simply buy more, but I'm wondering if it'd be cheaper to buy some sort of storage thing for them. I was going to take my laptop and dump the pictures on it, but I don't want to have to lug it around. Do they make external hard drives that you can dump on without having the computer around...or anything similar? Thanks!