Ash Sounds like the same thing only different. So far a call for the different themes is the order of the day, but we won't really know for sure untill we're all done. First off, let me say this while the opportunity lends itself. Not only do they provide superb reviews and critiques of all maps that come down the chute, but they create community with their beta forums and XML feed. OK, on to business.
Creativity is never a bad thing.
Challenging mappers to get crazy is something I ll lend my vote to. And it's true that you don't see many mappers coloring outside the lines to try something new. I would like to think so, but wouldn t hold my breath. What I have been seeing is people taking new angles on the tried and true themes. There has been an onslaught of very nice maps lately.