Simply put a BlackBerry Playbook is their tablet PC to compete with the Apple iPad 2, Motorola Xoom, etc.
Any major electronics retailer would have it available.
Example
http://www.bestbuy.com/site/olspage.jsp;jsessionid=9595103D12F6FCC20775B72B0D10AFC6.bbolsp-app05-57?_dyncharset=ISO-8859-1&_dynSessConf=-3531414826144787358&id=pcat17071&type=page&st=playbook&sc=Global&cp=1&nrp=15&sp=&qp=&list=n&iht=y&usc=All+Categories&ks=960
