Mmmm...
The skin makes the back somewhat better to hold on to.
Not a slick surface I would say.
Yer wood grain skin is not soft or rubbery.
I believe a lot of folks get the carbon fiber for it's design and because it may provide more grip.
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This is the brushed steel look from ajamils post further back in this thread.
I don't care for the carbon fiber skin, but I like the woodgrain and the brushed steel (thanks for that pic).
I might give it a try. I ordered a fairly inexpensive case and it's ok, but I really like the idea of the slim tablet on its own.