How 'bout Rummikub?

I love this board game... Basically its gin rummy, but played with 2 decks and you use tiles instead. You can rearrange anything played as long as when you are done everything is still valid runs or sets. There is only one computer version that I know of "Rummi" and would make for a great multiplayer online game. Its the only game that actually makes your head hurt from thinking after a few hours.... I'm just hoping someone will make it!