With the desired tool window selected, press Alt+Minus to bring up the tool window menu. Press Down Arrow to select the Move command and hit Enter. Now, you can control the tool window with the arrow keys.
To dock, simply use the arrow keys to the desired dock target and hit Enter.
Reposted from Did you know... How to drag a tool window around using the keyboard? - #005 by Sara Ford, author of Microsoft Visual Studio Tips
Microsoft TechDays Canada is a technology training conference for IT professionals and developers. With forty, 200+ level sessions, it brings you the rich learning experience of Microsoft Tech·Ed (without the travel) on both current technologies and new products like Windows 7, Exchange 2010 and much more. Register today by visiting http://www.techdays.ca/.