There is no doubt that Verizon's preperations for a BlackBerry 6 for numerous devices is well underway. BlackBerry applications are randomly being updated, users are reporting some strange things happening with their PTT (push to talk) modules and well, we've already got a BlackBerry 6 leak for the Bold 9650 and Curve 3G anyways.
The most recent nod to the fact that launch is close could be the Verizon rebate forms which have mysteriously added two new SKU's for the BlackBerry Bold 9650. While it's not confirmation, it's speculated that the new SKU's are for the BlackBerry 6 preloaded versions of the BlackBerry Bold 9650. Just release it already, it's not like it's a huge secret any more Verizon. Your network already has many users running it.