The D300 is very nice, but that's its problem - I'm having a hard time justifying $2000 or so when an, arguably, 'better' camera (D1x or D2h) is available for a fraction of that amount. The D1x almost becomes disposable at that price point. Plus, I'd need to buy the vertical grip for the D300 for another $300.
Here's a shot from this morning's little fun fest (with my point-and-shoot) .... -15 wind chill, 50MPH winds, pitch-black basement with 2 feet of water/ice, soot everywhere. I don't want to be thinking about having to protect my fancy camera in these conditions.