Speck Products SmartShell Lightweight Ultra-Thin Case for iPad 2 - Clear (SPK-A0427)
This case complements the Apple Smart Cover nicely to protect the back from scratches.  It fits on the iPad 2 easily and securely.  The embedded metal strip maintains the Smart Cover's magnetic flip.  I've been looking at cases that complement Smart Covers for the past few months and this is the best that I've found.  Yet, it's not perfect.  The Camera Connection Kit doesn't work with the cover on.  Fortunately, it's easy to snap off the bottom edge to give the connection kit clearance.  I also wish it was 