I found the RubyForge documentation, which is a little tricky to navigate.
There's a basic tutorial on the Ruby On Windows blog. But I've already moved on from that.
What other WxRuby resources have you found useful?
Or, if not WxRuby specifically, what Wx resources have you found useful from a Ruby perspective?
As the tumbleweeds, er, tumbled around this question, I discovered that there are extensive (about 60) samples in the, er,
samples
directory for the wxruby gem. There's a big all-in-one demo, calledbigdemo.rb
that shows off all kinds of useful and exciting things.