Something like a Sony DSC-P50. It's 2 megapixels and I've seen the
auctions on eBay end for like $60 or so. It's fine for point & shoot
uses, uses 2 AA batteries rather than specialized batteries, and isn't
TOO gigantic.
Here's one:
http://cgi.ebay.com/ws/eBayISAPI.dll...2458 065&rd=1
LRH