PDA pen testing question

[Jon <jonbrownisme () yahoo com>]

I am looking into penetration testing of PDAs (Palm, Windows CE, Symbian etc.) at the application and OS level and was 
wondering if anyone has any knowlage in this area. Any pointers to tools, papers or other resources would be great.

I was suprised that I could not find any real analysis of security mechanisms and their effectiveness in Windows CE (at 
least at the level of the @stake analysis of the Palm OS), but maybe I have not looked hard enough...

Thanks, Jon