I think some CBT techniques lend themselves somewhat to computerized versions wheres I am not familiar with Gestalt or if it can be adapted in this way. Another online CBT application that I have come across is at
www.livinglifetothefull.com
This is a bit like your program in that it involves alot of reading. It also has alot of Audio and to me it's more like a course structure. The program that I am working on is very much computerized versions of existing techniques that work on paper. There is reporting to analyze the results of these techniques and a body of data builds up over time for the patient. For privacy reasons it runs on the local computer and not online.

Paraic Walsh