The BlackBerry Colt -- RIM's presciently named round three handset entry, or last gasp at smartphone dominance? You'll have to wait until the end of the year to decide, as this latest bout of insider hearsay points to a sooner-than-expected launch. Citing several trusted industry sources, Dutch website Tweakers.net reports that the Canadian electronics company is rushing its first QNX-based smartphone out to the mobile market ahead of its previously rumored 2012 Q1 launch. The phone, purported to lack