Leaning back and forth between the the $100 HTC Eris on Verizon and the $179 HTC Hero on Sprint? Well, your decision just got a bit more difficult, as Best Buy has now kicked off a new holiday promotion that'll net you a chin-less Sprint Hero for the same hundred bucks as Verizon's Eris. If you prefer, you can also now snag a Samsung Moment for the same price, but each will of course have to be paired with a
