Slicehost offer a breath of fresh air from the typical hosting company. Simple, easy, reliable hosting. Starts from $20/month. Wicked featuers (ajax console, rescue mode, etc, etc).
monit is a utility for managing and monitoring, processes, files, directories and devices on a UNIX system. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.
WebFaction provide a web hosting service which includes various add-ons including svn and trac.