The SP FAQ will be updated soon (within the week) detailing the voting changes, and once that is complete folks will at least notify folks here. Up to Matt of he wants to send a PM out.
In short 6-10 raises scores, 1-5 lowers them. Points have been redistributed to give more weight to content objects, and more weight to quality. And so that things with scores of 70 or 80% aren't worthless.
Matt's looking at how to make submissions easier now. It'll be more challenging than dropping in a (not so) simple equation to calculate page scores.