Do you work with widescreen monitors?  Dual monitors?  Have a laptop that is sometimes connected to an external widescreen monitor?  SolidWorks 2009 introduces a Workspace command to help arrange your Workspace for multiple setups.  The command has settings for Default, Widescreen, or Dual Monitor.
The different options have alternate settings for positions of certain task panes, such as the PropertyManager.  Unfortunately, users are currently unable to save their own customized Workspace; therefore this command is fairly limited right now.  But the framework is there now and hopefully this is a precursor …

Our friend Ben Eadie of SolidMentor fame has started a new SolidWorks site called SolidJott.  The format is a microblog that anyone can post to (requires a free account) and other users can reply in the comments.  You can add tags to your posts/questions so that you can more easily find them later.  Anyone using Twitter should feel right at home.
There is an RSS feed so that you can get all the posts pushed to you, and Ben is also working on a SolidWorks add-in so that you can …

Do you make use of SolidWorks Display States?  They really make it easier to work with large assemblies (or even small ones) by allowing you to set the visibilty of parts.  For example, you could create a Display State in an assembly showing two mating components, and then easily recall that display state without having to go back and hide a bunch of parts, or find the components and use Isolate.
You can manually create a Display State or create one while in the Isolate command (just press the blue …