I've said this in another post, but I would pay good money for software to use my E70 as a bluetooth keyboard with my N800. Apparently, the E70 supports the HID profile, so my guess would be that it wouldn't be too hard to develop. I really can't stand typing on the N800...mostly because the N800 ignores 1 out of every 10 keypresses or so, even though I get an audible "click". I avoid typing on it as much as possible. Using XTerm with the onscreen keyboard is simply torture!

The E70's keyboard is phenomenal...the tactile feedback is excellent and I can type while hardly ever looking at the keys. My only gripe is that Nokia swapped the position of some common characters from the standard qwerty keyboard layout, which drives me nuts. (What satist at Nokia made the decision to put the double quote as shift-2, and the @ symbol as shift-' ? Ridiculous.)

I also wouldn't mind being able to form an ad-hoc wifi network between the two devices for file transfers. I could dump a bunch of photos and movies directly to my N800 quickly, as opposed to slow Bluetooth or using an intermediary computer to mount their external cards.