If it’s not clear by now, it should be. The best thing about the Rails/Merb merger is @wycats.

My Five Favorite Things About Rails 3

• Rotate Images and Stuff with CSS only
  “Did you know you can rotate images (and all other html elements) by using nothing but CSS?” Quoting Johnny Carson, “I did not know that. That’s wild, wacky stuff”
• Collecting Feedback on Your Web App
  Good info from the Prefinery folks about what worked and what didn’t as they’ve tried to collect info from beta testers about their service.
• acts_as_commentable_with_threading
  A drop-in replacement for acts_as_commentable that adds threading features.
• acts_as_scribe
  I know, another “acts_as_…” plugin. This one allows you to track user activity (for a timeline, wall, etc).
• 20 Top jQuery tips & tricks for jQuery programmers
  Useful stuff.
• 5 Ways to Make Ajax Calls with jQuery
  I know I get confused about the different ways to make AJAX calls with jQuery. This clears things up.