Hey everyone -- check out sudoku100.com. It solves sudokus, and only displays as much of the solution as you tell it to.
It's really useful if you're having a lot of trouble getting off the ground with a particularly difficult sudoku. Just enter your puzzle, click on the squares you want to know, and go!
It's also handy if you make a mistake. With sudoku100, you can locate your error quickly and get on with the puzzling!
I concur. www.sudoku100.com is a great site that let's you see just as much of the solution as you want -- great when you just need a hint and don't want the whole solution shoved in your face.