According to CNET, Google and Samsung are going to be partners on a 10-in high end tablet.
A co-branded tablet with Samsung would be a significant broadening of Google’s relationship with Samsung. Google already cobrands the Galaxy Nexus Samsung smartphone.
The posting also states the future 2,560×1,600 display will have a PPI (pixels per inch) of about 299 – much greater density than the Apple iPad.