I like maps. I like mapping. My freehand map skills suck. Therefore, I have a fondness for mapping programs.
I REALLY like what I see with Dungeon Builder.
Heck, there's even a usable demo for Win, OSX and Linux.
What more can I say? The sample map should speak for itself.
Buy in for a Personal License is $45.
If you want to be able to use it for commercial work, its about $302 for the Indie License and $604 for the Professional License. What's the difference? Indie has revenue of approximately $75k a year or less, professional has not revenue limit.
Tempted to get the Indie License but may just wait for release.
There are a ton of support levels between Personal and Indie. Feel free to ignore them.
You should watch the video. So much awesome :)