Tablet PC will be a killer smartphone?

Gadget Lab editor Dylan Tweney is posing the question: What is the perfect phone to tether an iPad?Like me, Tweney is an iPhone and iPad owner, and we've been having this discussion offline for months, like Vladimir and Estragon, with about the same results.He's tired of waiting -- hence the attempt to crowdsource an answer on the off-chance we haven't thought of something.But the fact that this