A (yet) unknown program, but I'm sure this one will gain connaisance over time. Just checkout those features!
Put your drive to the test
Recover lost files
Check for bad disks
Optimize your system
Easy to use
Zipped results
In other words: this program is a) CD Checker, b) system checker, c) writer-testing program, d) CD-R Diagnostic... And this all in one!! Download it here.