They will be able to go to full online websites, so online flash-based games can be played right on the browser.
You will (soon) be able to download Android market games. This means you will be able to download games like Angry Birds and other games available to Android users.
The Blackberry Playbook has the most amazing screen i have seen on a tablet. It also uses dual core processing to do multitasking in ways no other tablet is capable of.
I believe it should have a USB port, but I am not 100% sure. It should be able to connect wirelessly through Bluetooth if you need to connect to a PC and since it goes on the web on its own, there is no necessity to tether it to a PC to download games.
