Microsoft Academic Second Shot Program
Until June 30, 2008 Microsoft open Microsoft Academic Second Shot Program. You can use this program to get certified by Microsoft with a 40% discount and also get second shot if you fail the test. In this program the prefix for the test is 72, but it has no differences with 70 prefix exam. 72 prefix only indicates that you get the certificate from academic program.
FYI : Not all of Microsoft exam is opened in this program. For a complete list of exam in this program, you can check in here.