According to Gamestop the expansion it's going to cost 39.99dlls and it's going to be available in July 17 of 2007.

You can reserve your copy now with 5dlls in any store or in this link: http://www.gamestop.com/product.asp?product%5Fid=281741

What you guys think? It's a fair price for an expasion of 30 songs?. :)