I just ordered one of these adaptors in germany from K&M http://www.kmelektronik.de/ part number 16204

The web site claims that they are mini-a, but they are in fact mini-b and fit into the n800: http://www.kmelektronik.de/main_site...r=16204&Shop=0

This adapter is EUR 1.99 and if you have it delivered to your local K&M ship you don't have to pay any shipping.

But it doesn't switch into OTG mode (no 4/5 connection) automatically. I'll see if i can open it carefully and add the missing connection.