We used the DxDP for our January trip and LOVED it! It was nice being able to only do TS! Since we've been to WDW a few times, we weren't in a rush. And the relaxed pace of meals was great for my 4 year old nephew. He LOVED all of the character meals.
We did skip a TS lunch and opted for a CS (Cosmic Ray's at the MK) the last day. We will NEVER do that again! The burgers were awful and I waited in line for an hour! I thought the CS meal would be a faster alternative to TS, but it turned out to be MUCH slower.
We're doing DxDP again in August and can't wait. While we may do a few CS meals (just not at the MK), we have TS reservations for breakfast, lunch, and dinner everyday. This way, if we don't feel like waiting on line we have an option!
And yes, it is a lot of food. But you don't have to finish it.