Chris -- *IF* you can possibly hold out, CruiseMates is planning a CruiseMates cruise on Renaissance to Tahiti for February 8th. We are going to offer a special rate, cocktail party, etc etc etc and the comraderie of cruising with you online friends. We hope to have the details out very very soon.
We were ther last March, and there were rains, but generally they come and go very quickly. We did have one day that was washed out by rain, but out of 10 that isn't too bad. The good thing about the Ren trip is atht you are in port every single day, most islands for 2 full days, so even if it rains for a little while you still have the opportunity to see everything.