I have the M-Edge Leisure Jacket.
http://www.medgestore.com/products/nook-leisure.psp
I just got back from a cruise and it was a relief to know my Nook was protected. I take it out of the jacket when I am reading in a safe place. I am waiting for the Lyra Book Light Case to be released before I buy another cover.
http://gifts.barnesandnoble.com/Lyra...?cds2Pid=30255