If you're looking for a simple, highly affordable way to pull line-level audio directly from your iPad, iPhone, or iPod, CableJive's new LineOut Pro ($11) has arrived as an alternative -- a three-foot long cable with a Dock Connector plug on one end, and a 3.5mm audio plug on the other. While LineOut Pro precludes you from simultaneously charging your device while pulling audio from its bottom, it does enable you to pull unattenuated raw analog audio…
