Okay, i just double checked my statement for my chase disney card. We used the card for our downpayment in early may, with the 6 months no interest. We do enough charges to be more than the minimum monthly due. We made payments equal to or more than the new charges on the card. No interest on the downpayment, and the new charges were paid off first and we were not charged interest on those either (since we paid before end of the billing cycle).
Just to clarify...I called Disney Visa about my credit limit, since it was hit with the charge today and they allowed it to go over the limit. While I was on the phone I decided to ask about the 0% interest. This is what I was told. As long as I pay the minimum amount due, along with the charges for the month, I will not be charged interest...SO, if I charge 500.00 next billing cycle on random things, and when I get my statement the min due is 40.00, I have to pay 540.00 in order to avoid being charged the interest. Interesting how each company works.
As far as the category goes...I believe on my Discover card Disney falls under entertainment, not theme parks, and the restaurants do not fall under restaurants. They had a 5% on theme parks a few years ago and I went to WDW charging everything on Discover...When I got home I was totally disappointed to see that it didn't count :/