Vizio promises excellent 1080p HD picture, and normal content will upscale to "near Ultra HD" resolution. 4K video is supported up to 60fps and the sets have built-in 802.11ac Wi-Fi for streaming.
Each one of the sets have a native refresh rate of 240Hz, and also a "Clear Action Rate" of 960Hz, whatever that means. The sets have a quad-core GPU and a dual-core CPU powering the processing.
The 50-inch P-series sells for $1,000, the 55-inch model will sell for $1,400, the 60-inch is $1,700, the 65-inch model is $2,200, and finally the 70-inch model is $2,500.
Source:
Wired