Documentation suggests that the keyboard shortcut to both start and end combat is "f". When did that happen? Oh well, remapped.
One small other issue - clicking on the show desktop button in Gnome causes the game to crash. But really it's pretty great for an unsupported platform.
Just finishing the demo now, some money will be going Jeff's way any second. It's the first Spidweb game I've registered since BoA: I always play the demoes, but I think this one's a cut above, so good work Jeff.