Rebates, yes, but discounts up front? That is pretty darn rare.
The reward will be for being a person who channels a very high dollar amount through the account, and I doubt it will really matter how much of that you spend with Disney.
We've been closely following the releases concerning the new VISA, as we do use reward cards. Even if they give the points on a 1-$1 basis, odds are that the required points for pass rewards are going to be quite high. For example, the Starwood Preferred Guest program requires 10,000 points for a free night at the S/D, or 5 nights for 40,000 pts. Even at rack rates, rooms there go for around $300/night, so you must spend close to $40K in order to get a $1500 value reward. (There are occasionally special offers where one can get several hundred bonus points for staying at a featured property, etc., but most people can't count on taking advantage of enough of those to cut more than about 5K off the needed expenditure.)
I'm guessing that it will require somewhere in the area of 10K points to earn a free park hopper pass. Even if cardholders earn higher point value for $ spent at Disney outlets, it will still probably take an expenditure of several thousand dollars to get a few hundred dollars' worth of tangible rewards. I contrast that with the DC, where, with a 10% room discount, one can essentially get one free night for every 10 nights purchased; thus getting, say, a $130 reward for spending $1340 dollars. I've never seen a point system come close to that kind of value for an initial expenditure that small. (Yes, I know, $1340 isn't chump change, but it's a darn sight less than $10K.)
At this point, we have been using the Starwood AMEX to get room rewards, and the DC or
AAA for pass discounts. That way, the money we spend on passes contributes to getting a free or discounted room. If I have to give up playing the cards against one another, then I'm going to lose value.