Too busy to do more than post a couple of links, alas.

  • Moving to Rails 2.2 Headaches - Vol 1 - Looks like mostly issues with various libraries not being ready yet.

  • jrails_in_place_editing - Now that it's been moved out of core Rails, there are a boatload of in-place edit plugins out there. This one seems to work OK in a project where we're using jQuery.