Whether it's the best deal one can get depends on your vacation habits. There are the new Magic Your Way passes, which might make more sense if you don't spend alot of days in the parks within a year.
I see the plan gives you admission to the four parks ... but what about the water parks and Pleasure Island??? If this doesn't include those, it might not be THAT great a deal...
An AP is $100 off for DVC members and gives you admission only to the 4 main parks.
A PAP is $125 off for DVC members and gives you admission to the 4 main parks, waterparks, PI, DQ, WWoS.