Hi
I've created a Sudoku solver. I focused my work on simplicity --and design!.
The interface is Html based you sovle easily any Sudoku. I think the plus I've added to existing solver is the ability to solve just one cell. That can be useful if you just want to have a clue in your puzzle.
Url is: http://www.ask-sudoku.com
I may add more functionnality if you can think about killer feature. Just contact me. I am really open to any feedback (I'd be open to correct my spelling mistake...).
Daboo