I havent tryed out FEAR's editor yet, but after playing the game and also playing Condemned: Criminal Origins, which I loved I feel tempted. Who knows when I finish my work on Source engine.
But thanks for trying to help, that's realy nice of you.
I'm a mapper for a few years now, and I jusr started to learn Hammer and importing my costum props onto the engine, I would love to see this apps of your's and giving you some feedback as well!