Through Dec. 31, business customers who purchase two Blackberry PlayBook tablets will receive a third at no cost.
In addition, the company is offering one premium accessory per tablet purchase.
The promotion follows a discount of the PlayBook at nationwide retailers.
Staples Inc. in Sept. price cut the Blackberry Playbook to $299.99 after a $100 instant rebate and $100 mail-in rebate.
Meanwhile, Office Depot in Sept. discounted all Playbook SKUs by $100.
The Blackberry Playbook includes a 7-inch screen, 1Ghz Dual-Core CPU, Dual HD Video Cameras, and Wi-Fi support.
RIM in June said the Blackberry Playbook shipped 200,000 units in the fiscal second quarter, below company estimates.
The Kindle Fire includes a full-color 7-inch multi-touch IPS display, Dual-Core CPU, 8GB Internal Memory, Wi-Fi functionality, and up to eight hours of battery life.
Applications include the Amazon Silk Browser, E-Mail, Amazon Instant Video, Amazon Appstore, and Amazon Cloud Drive with unlimited cloud storage for Amazon content.
Finally, each Kindle Fire will include a free month of Amazon Prime membership.