Although discounted BlackBerry PlayBook pricing may be coming to an end at some retailers it would appear that it is just getting started at others.  RadioShack which regularly sales the BlackBerry PlayBook for $479.99 is offering a $180 instant-rebate bring the price of the 16GB model down to $299.99.  The $180 instant-rebate runs through October 15th, but, rumor has it that RadioShack will offer a $180 gift card after the 15th.

[Source via RadioShack]