LinnySue-
Unless you payed for travel insurance that protects from price change, I don't think they will honor the difference. We had a similiar situation with our trip.
After we booked in Jan for our April vacation with worryfree, the price dropped quite a bit. Since we didn't buy the travel insurance with price protection, we couldn't just cancel and buy at the new price without penalties. However, we switched resorts and upgraded class of room for only $64 more (since the price had dropped.) We could have also just upgraded room category at the same resort originally booked without penalty as well, but decided to switch.
Seems that you could do the same with funjet. If you tell them you want same flights, just want to switch resorts. Maybe you'll have to upgrade room category, but with price drop it may not cost you any more. I would just call and ask for their policy on switching.
Anyway, hope you have a great vacation where ever you stay
