Nice tower from the Battlemasters game! I use a lot of those minis for my AD&D game, broken up from their unit bases and properly cleaned up (but not yet painted).

I'm jealous of that work area too.

Kovax, you mention using sponge. How about those black sponge brushes? I've got a few of those, and I've just started painting my own dungeon setup, and something like that could make painting mass amounts of area pretty convenient...