[iPAQ] Extension pack for prototyping?

Hi,

is there a 'prototyping extension pack' availably that would allow one
to tinker with the 100-pin extension port of the iPAQ?

I think I might want to install such a sleeve in my car and try to
interface the iPAQ with the radio and a harddisk (nad maybe GPS?) to
make a kick-ass detachable car computer.

For that, I could use a mostly empty sleeve, maybe one that just
channels the 100 pins thru to a more standard connector. I think I
can handle the electrical and logical stuff, but there is no way I
could make a decent sleeve.

Thanks!

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