Question : Looking for a Steady State replacement for W7

A friend with a language school currently has 10 computers running XP SP3 and uses Steady State to stop the kids messing up the systems.. she wants to upgrade to W7 but I've discovered that MS in their usual state of infinite lack of wisdom have no plans to release a W7 compatible version.. apparently it was incorporated into the Beta, then dropped ... SO  I am looking for a preferably free replacement.

Any ideas most welcome.

Answer : Looking for a Steady State replacement for W7

Free? No. Deep Freeze would do the job.

http://www.faronics.com/en/Products/DeepFreeze/DeepFreezeEducation.aspx

Chris B