Research in Motion is just over a month away from launching its BlackBerry PlayBook in the U.S., according to a post at The 7-inch device carries a 1GHz dual-core ARM Cortex A9 processor, 1GB of RAM, dual HD cameras with support for 1080p recording, 1080p video playback support with HDMI output, 802.11a/b/g/n, USB, and Bluetooth connectivity with other BlackBerry handsets. The PlayBook measures less than an inch thick and weighs under a pound. There's no mention of price yet but previous rumors have suggested it will sell for $500 to compete with Apple's iPad tablet.