Flash or Ruby?

Which is better for making simple 2D games? I've started learning the Ruby programming language, and so far it's pretty good- easy to use, simple syntax, etc... But is Flash any better?

Kill Java with fire
Flash could very well be even slower
AFAIK there's not much for games in Ruby, but if there is, you can use Ruby. It's a better language than Java will ever be, and better than Flash's JavaScript (although JavaScript itself is not bad).

If you can't find what you need in Ruby, use Python+PyGame+whatever extra libs you need, there's a lot for 2D games.