It's been quite heavily cross promoted from the Flying Rabbit chaps' site so I wouldn't have thought it was Score related. Maybe one of them on here can tell us more.
The Whois records for bustykerriemarie and officiallykerrymarie are quite different which leads me to the conclusion that it's not a Score related site.
As I understand it, KM was under exclusive contract with Score for a couple of years. That contract has now ended, hence her popping up all over the place - topheavyamateurs2 / siliconefree etc etc. Presumably Score think they've got enough material to keep turning over on their site without KM under contract.
Certainly the front page of the new site does make what could be read as a bit of a snide remark: "You may have seen other sites with my name, but this is the real thing."
So I guess we can make of that what we will...