Balsamiq Mockups for Desktop
This is a great tool for mock-ups, especially when designing MOSS sites. I’ve been using it for a dashboard solution and has been great for reviewing with the client without getting too bogged down in the technology.
Somebody has even developed a whole bunch of MOSS components to get you on your way.
Have a look here for more information
Categories: Design
Here is the link for the MOSS stuff: http://mockupstogo.net/prebuilt-sharepoint-elements
Do you use UML? Here’s a set for Balsamiq: http://blog.rainer.eschen.name/mock4u/