Has anyone used the avsoft training software for the 737-300?

http://www.avsoft.net/cgibin/cart.cg...earch=B737-300
Here's what it says:
This aircraft specific AOM study guide in CD-Rom format will help the student practice and master review questions. It allows modification of questions, note-taking, printing of information and testing. The operational modes are: Study, Quiz, Review, Random, and Test. This CBT covers the function and limitation of every cockpit switch and indicator as well as concepts important to the aircraft. B735-P-W-2
B737-300/500 Pro Systems Review v 2.0 - for PC only.
BOEING B737-300/500 SYSTEMS REVIEW QUESTIONS SOFTWARE
$35.99

Thanks,
Riddler