Now, D&D and Pathfinder have pretty straightforward magic item progressions already built in. Unfortunately, in all of your unnecessary blathering, you didn’t mention once the system you were using. Or maybe you did and I didn’t see it because I got bored reading unnecessary blather. And ...
Also, if the primary purpose of the Pathfinder RPG is to play Pathfinder Adventure Paths, it seems counter productive to strongly feature alternate systems of advancement that won't advance characters at the rate the adventures expect. I suppose you can have gaps between the adventures, but man...