find yourself a thinkpad USB ultranav keyboard in the "travel" flavor.
I have found them in shops in Germany, new, from 100 EUR upwards. That's a little steep for an experiment.
the layouts were identical with T4x keyboards but the socket used on the USB board is different than the T4x generation.
Very helpful information!
despite the winkey
I don't like the Windows key because it shrinks the size of the Alt key, which I use a lot. Under Windows, on my T41, I have mapped the Windows key to Caps Lock.
Actually, I prefer to use an X4x keyboard, because it's less wide than the full size T4x/R4x keyboards, and there is hope: In the German ThinkPad forum, we are discussing
connecting an X4x keyboard using a custom controller, offered by CodeMercs
. The TrackPoint is supposed to work out of the box, with PS/2 already coming out of the cable.