Maybe it shall interest for somebody.
Hand made cradle for Dell Axim X5 Basic.
I have made it of a cardboard for about 30 minutes.
In use it very conveniently for me, especially at debugging programs when pda not flatwise lays.
If the scheme is necessary, write, I shall draw.
Here are instruction and some screenshots:
http://www.freeusoft.net/axim_cradle/