It seems we don't use rack at all. Any other opinions?
*** LOCAL GEMS ***
actionmailer (2.2.2, 2.0.2, 1.3.3)
actionpack (2.2.2, 2.0.2, 1.13.3)
actionwebservice (1.2.3)
activerecord (2.2.2, 2.0.2, 1.15.3)
activeresource (2.2.2, 2.0.2)
activesupport (2.2.2, 2.0.2, 1.4.2)
mysql (2.7)...