VS2010 Keyboard Shortcut - Show ToolTip

The Ctrl + Shift + Space shortcut shows the exact same information as the tooltip (i.e. the member summary and the first overload). Is there a particular reason that you need to see the tooltip specifically?

The mouse hover info is called "Quick Info". The default keybinding for it in the C# profile is Ctrl-k, Ctrl-i.

It's also the third icon from the left in the "Text Editor" toolbar: .