Word on the street is that pricing for the BlackBerry PlayBook will start at $399 for the 8GB model.   Research in Motion will also release 16GB and 32GB models that will retail for $499 and $599 respectively.  The BlackBerry PlayBook doesn’t come in a variant with a wireless radio, so, users must have access to Wi-Fi or use their BlackBerry device to tether the PlayBook in order to gain internet access.  The big question for me is if wireless carriers will charge an additional fee to BlackBerry users tethering their BlackBerry PlayBook to their BlackBerry devices?