A quick FYI: eCost is running a special deal on 500GB USB 2.0 External Hard Drive for $84 each. If you need an external drive for additional photo storage capacity and/or backup, this is a great deal.
eCost deal on 500GB USB 2.0 Hard Drive $84
If 500GB isn't enough, here's the 1TB version (yes, 1000GB's) for $199:
eCost deal on 1 TB USB 2.0 Hard Drive $199
FYI: I've ordered tons of computer equipment from eCost over the years and they offer great equipment at a great price. LaCie also makes good quality hard drives.