The "rogers" profile preloaded in PlayBook doesn't seem to work. It specifies the access point as isp.apn. I achieved success by manually entering a custom profile with access point specified as internet.com.
Here's how with a Blackberry 9700 phone already connected to PlayBook with BlackBerry Bridge:
I have a bberry 9000. When try to download Blackberry Bridge, it says that it is "not available for device model, decice OS, carrier - is this a Rogers issue or Blackberry or???????? Saw on Blackberry bridge site that for another person using BBerry 990 that the Bridging stopped on may 11???????