Unfortunately, I ordered the Great Shield sleeve before waiting for the replies to my Amazon question about the size. I didn't have to wait long (30 mins) for answers to the question, at which point I immediately cancelled the order, which was a long way from being dispatched; however, they chose to ignore my cancellation and have dispatched the sleeve anyway.

By the time I found this out, I had already posted on here, searched ebay and fallen in love with another sleeve:
http://www.ebay.co.uk/itm/NEW-Belkin...item3cce8f0eb8
I ordered the tastelessly pink one from a cheaper seller. (I might decorate it with Sharpies

)
It's a shame I didn't wait for the experts here to point out some goodies. Love the one in your link, AnemicOak, wish I'd seen that. It probably didn't come up on any of my searches because I put in 'Paperwhite'.
So looks like I'll have two. A tasteful, but over-size purple one, and a girlie hot pink one which fits. I might use one of them for my 505, though that has a book armor.
Any suggestions?
What does one do with a spare sleeve?