Does anyone have the agent 18 clearshield case for the iPod touch 2nd gen? if you do how is it? Does it scratch alot? If you take it off does it go back on easily or id it bend? Here is a link to the case on apple's site: http://store.apple.com/us/product/TU305VC/A?fnode=MTY1NDA4Mg&mco=Mjg4MTgzOQ