[swinn]

Regarding the data connection timeout or phone answering issue:

HKLM\Comm\ConnMgr\Planner\Settings

For quick answering and always on data connection:
CacheTime=60 (or any value.. it is ignored)
SuspendResume="#777"

For possible delayed answer when data is on, but allow automatic data disconnection:
CacheTime=60 (or whatever value in seconds)
SuspendResume="" (or anything but #777)

I'm going to set the ROM default to the first, but will provide a cab if you are like me and can put up with a delay but want your data turned off automatically for battery life.