Saw this thread yesterday, and as I am considering an add-on, I called Disney Visa...here's what they told me: DVC purchases do qualify for the 6-month 0% financing. The $10,000 limit has been lowered to $2,500. But the rep also said if Disney is willing to submit four $2,500 charges, I'd get the 0% on all four of them...the Rep then suggested I apply for a new Disney Visa, where I could get a year's worth of 0% financing for up to my credit limit. I was incredulous, noting I already have a Disney Visa (w/a fairly high credit limit) and found it hard to believe they'd give me another one...the rep said sure they would, so long as my credit status permitted it, and that lots of people do this to take advantage of the $75,000 in spending that gets them the max of $750 in disney reward dollars...
I don't know whether any of this is true...but it's what I was told by the Disney Visa and Disney Rewards program folks last night...