Alongside replenishing the supply of Gold Zelda Statues, Nintendo have given European Stars Collectors a treat; soundtracks for Super Mario Galaxy.
Both CD-based soundtracks are the same as those that hit the Japanese Club Nintendo offerings a while back, and are valuable collectors items.
This is the basic version, and costs 3850 Stars.
and This is the full edition, going for 1000 Stars more than the regular soundtrack.
Be sure to check out the Stars Catalogue here for the soundtracks, and another chance at the Gold Zelda Statue. Be warned though, it'll set you back 15,000 stars!