http://www.amazon.com/Pack-DS-LITE-S...6360774&sr=1-4

I'll change the link when I find it sold individually, not in bulk. From the picture a DS Lite fits in there very snugly, so I looked up the size difference between it and the N810. Very, very close:

http://www.sizeasy.com/page/size_com...-vs-Nokia-n810

The only noticeable difference is in its thickness: 6.5mm, which isn't a big deal. Building in some sort of strap to hold an N810 down may be useful, but this case looks great otherwise.

Any competitors? That Otterbox that was popular for the N800 is simply too big for the N810. Awkward space is left that isn't really good for cables or flash cards.