Mr. Buzzcut
macrumors 65816
Just press F3
Sure works for windows open but not tabs within windows. So there are different ways to handle it depending on what you are looking for. I just like floating the mouse over the task bar "ah, there it is."
Then again I like the desktops on OS X better.
Give and take.
BUT, for the love of all that is good in this world, give us a real remote desktop server.