Show Taskbar when explorer has focus

If you are using a full-screen program (like Remote Desktop) and switch to another program, such as clicking on a folder on a second monitor, the task bar remains hidden. It'd be great to be able to have the taskbar become visible when the program hiding it no longer has focus like pre-Vista Windows did.
Right now I use Classic Shell and have to hit the Windows key twice to get back to the bar, or minimize the original program.

Thanks.