Unfortunately, not many -- yet. But we've got lots of customers who aren't going anywhere for a long time. I think prostitution is the only other industry that isn't really affected by depressions and the like.

You should really check it out, it's a sexy language. If you know java you'll feel right at home. I've been using it for almost five years and really love it. To me, the syntactic sugar they throw in for common little things are what really make it so nice. It's not overly verbose, enhancements on types can be amazingly powerful if you have no control over over an API, and the ability to use and pass blocks (similar to closures) are something that I hate being without when I am forced to go play in java-land.

There are a couple of guys working on custom typeloaders:

  https://github.com/jpcamara/Goson

And there is a web framework in progress:

  http://ronin-web.org/

But, yeah, it's mostly Guidewire.

Getting a new language adopted is hard.