Wii Sports Resort was released in Japan and is already the third best selling Wii Game.
http://kotaku.com/5304378/wii-sports-resort-is-the-third-best-selling-wii-title
In it's first four days, Wii Sports Resort sold 353,827 copies, putting it in third behind Mario Kart Wii and Super Smash Bros. Brawl.
Looking at some of the comments under the article, people are saying it's a generally good game and is working out already.
Yea, let's convince Nintendo even more to make mini-game packages instead of deeper, more interesting games. Who needs long lasting gameplay when you can make millions by selling cheap tech demo's for full retail price?