I've been trying but without any success -- downloaded the new 4.0 Pocket Mac that supports the 8703e. In Network configuration there is a new "Blackberry" network port that it discovers now when plugging the Blackberry in via USB. I tried to create a dial-up profile to call #777 with the usual Verizon specifics but it's a no go. I suspect I still need a Blackberry modem definition.

So close... :(