More details have popped up for HP's Opal and Topaz tablets that in a leak that shows at least some parallels to the iPad. Both devices will be the only known mainstream tablets outside of the iPad to have 1024x768 screens. Engadget's contacts added that the 9-inch Opal's dimensions will be so close to those of the iPad that it will be just 0.04 inches smaller on average than its Apple counterpart.
