Originally Posted by dr_venture
That's really well put. In my Old West game I spent a few months just throwing together the classes from the C&C variant Go Fer Yer Gun! and d20 variant Sidewinder: Recoiled!, made a spread sheet to kinda get an overview of classes and abilities, and when new abilities are automatically gained, hit dice for classes, etc... darned if it doesn't work pretty well right out of the box. Even converted all of the weapons to the Knuckleduster Firearms Shop rules, and added the Rolemaster crits... no problems. And yeah, I'm using several house rules from my AD&D days easy as can be. Even original AD&D and D20 game material can be integrated with minimal fuss... takes a licking and keeps on ticking!
It seems to be a game system that can certainly be unbalanced, but not easily broken. I love that it really serves me much more than I serve it.