Giving myself a break from some IE fixes, I quickly redesigned and built the view switch within Contacts. You can choose to view Contacts in a grid of sort of faux-business cards, or in a simple table.
Yes, it borrows heavily from a native OS X switch, but the metaphor should be easily enough understood by users of other OSs, particularly given the grid view is three-columns, as the icon suggests.
The attachment provides a little context for the switch's position.
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