Through the end of this month, Staples is offering a $100 off coupon for the BlackBerry PlayBook and other select tablets in the store.  The really cool thing is that this is a in-store coupon and you don’t have to worry about sending anything in for a mail in rebate.  You can print of the $100 coupon here and you can use it on the following devices…

• Samsung Galaxy Tab 10.1
• Dell Streak 7
• Motorola Xoom
• Toshiba Thrive
• BlackBerry PlayBook
• Asus Eee Pad Transformer
• Acer Iconia