Tabs Studio v2.3.6 released: added the Stable tabs layout, updated the SingleRow add-in to support the Stable layout, updated the Marker add-in to not create a settings file for a solution when no tabs are highlighted, fixed an occasional 1 pixel wide gap between tabs in Visual Studio 2010.
Download link: Tabs Studio v2.3.6.
Tabs Studio Blog (organizing Visual Studio document tabs) 