I have to say, this Fences app for Windows is just funny as heck:

If you're losing the battle over your workspace to your desktop icons, a secret weapon is one click away. Fences quickly and easily organizes your icons into separate windows on your desktop, either automatically or manually. Labeling these boxes helps keep programs, photos, files, and Web links together, or you might choose to group by project rather than by file type.

Consider Fences:

And now this:

Admittedly, Fences is prettier - but that's mostly an artifact of Windows being prettier. Back to the Future!