If you are like me, one of the tool you open everyday is SSMS. And chances are that from a single PC, you always connect to the very same database. I have seen numerous questions in newsgroup asking how to bypass this dialog.
My friend Damir has documented an easy trick that does just that by simply adding a few arguments to your shortcut. You can read it from http://blogs.technet.com/b/canitpro/archive/2011/12/12/the-sql-guy-post-6-save-time-connecting-to-sql-server-using-management-studio-ssms.aspx