Panasonic Lumix FZ47 vrs Lumix GF1?
This isn't an apples to apples comparison, obviously. Personally, I'd keep both of them because I doubt there won't come a time when you either want a backup camera to take on a trip or you might want a longer zoom available and Panasonic lenses aren't cheap.
"Promise me you'll always remember: You're braver than you believe, and stronger than you seem, and smarter than you think." (A.A. Milne)