If "Tumblr":http://tumblr.com/ can inject some "life":http://www.application-error.com/ while "another blog lays dormant":http://theexciter.com/, I'd say it's a win.

• "Sequel":http://rubyforge.org/forum/forum.php?forum_id=12633 - a ruby ORM with thread safety, connection pooling, and a DSL for constructing queries and table schemas
• "Ruty":http://lucumr.pocoo.org/trac/browser/ruty - implementation of Django templates in ruby (almost a Liquid clone)