* Duane Johnson has released v1.0 of Condition Builder, his Ruby on Rails plugin for building conditions, e.g. for parameterised queries in ActiveRecord. If you have complex queries that need constructing, or queries that cannot easily be described non-programmatically, this may be worth considering.
* Dialogue-Driven Development is an evolving set of principles launched in August 2006 that aims to formalise the collaboration value of the Agile Manifesto.
* Why The Lucky Stiff has posted up some scans and artwork for his Poignant Guide to Ruby. Check them out on Flickr.