Motorola Kore will not be a successor to the XOOM as it will not be a tablet at all15
Still, that doesn't necessarily mean that a Motorola XOOM 2 or whatever is not in the company's agenda. It is probably only a matter of time until the rumor mill strikes again and leaks regarding a successor to the XOOM start circulating the web. In case if you are interested in seeing what the Kore media player will likely look like, here are a few photos that might just be of the real deal.
Source: USPTO via Fusible