There is a pretty interesting Liveaboard offer right now on board the Stingray which promises to take you to some of the best dive sites in the whole world! Anyway this one starts really soon, january 25th, so if you don't have time to make it you can always check out the page i check which is
www.maldivesdivetravel.com and you can get the latest on Liveaboards offers and news.