Here's what I think the Taskbar should look and act like... Please enjoy!!
I made this entire concept with PowerPoint 2010 with nothing but basic shapes and text (the font I used was "Segoe UI" and "Segoe UI Light" by Microsoft (and some resources from my Metro Dock icon set: [link]
To see my EXPLORER concept, visit this link:[link]P.S. the .ZIP file includes the .pptx file I used if you want to check it out in-depth along with the concept ONLY and with NO BACKGROUND!!