Warm Mart via Amazon offers the Snap-On Hard Back Shell Case for iPad 2
in Crystal Clear, for
with free shipping
. That's the lowest total price we've seen for a clear snap-on iPad case with Smart Cover support. (It's also a current price low by $5 for this type of case.) It protects your iPad 2 / new iPad from scratches and is compatible with the Apple Smart Cover (sold separately). It also features cutouts for access to ports and buttons.
Expect this item to take 2 to 3 weeks to arrive.
Update: The price has slipped to $3.73.