RubyOnRails 1.0 already has extensive AJAX support (Score 1)

I dare say it's the sexiest thing I've seen yet. If they ever release a version 2 that allows for simple Javascript on the client for AJAX interfaces, there will be only 1 game in town for web development!

Ruby on Rails 1.0 already has extensive AJAX support. It uses the Prototype library and the Scriptaculous library (which builds on top of Prototype). Thomas Fuchs, the creater of Scriptaculous is a core Rails contributor.