100M in gaia gold, so I can get my dream avatar (don't actually know what that would entail though, lol). Though I'm questing for 2 things at the moment, the main thing being a Royal Kimono (I've almost got enough gold for it).

EDIT: I just bought the Kimono. Now I'm down to 476 gold though (however, I don't have any other expensive things on my wishlist that I want to get in the near future, so it's not a big deal).