Time Tracking Application

I'm looking for an application that I can use to track how much time I spend on particular projects. I've looked at The Hot List, but it's more To-Do list based (I have to each project on a list first, and then there's no summary of time spent or anything). Does anyone have any other suggestions?

I use Timepost » Home which integrates with my billing software FreshBooks - Online Invoicing, Time Tracking and Expense Service

Have a hunt thru MacUpdate site and Version Tracker - both have heaps of shareware listings and reviews to help with choosing