I just caught up to this point in his Running the Game series, this is a fantastic idea. Looking back to all the stuff that came out in the 3e/3.5 era under the d20 OGL, yeah, any GM should be able to find what they're looking for that someone else has made up already.
Want to improve your game? The best thing to buy is more paint and more field fees.
The problem with America is that we confuse our politics for religion, and our religions for science.
Check out my current sale
and my feedback