I expect Math Facts to be ready to come out of beta version by the end of the summer 2010. If you are interested in signing up for beta account now which will get you a discounted price for as long as you keep your account. Now is the time to sign up!
Here is a demo of multiplication problems up to 6x6. The full version allows students to save their scores and keep track of which multiplication tables they have complete and how quickly they have completed them.