We just got back from a ten day trip ending July 1. I would say that, for the most part, the parks were packed. The exception was EPCOT. The Magic Kingdom was jammed every time we were there. We did find that we were successful getting on what we wanted to if we did it commando-style in the morning. Using fast passes and having someone run out ahead of us to get the passes, we were able to do Space Mountain (2X), Buzz, Splash Mountain, Thunder Mountain, Pirates and the Haunted Mansion before the big rush came.
Around 11:00 or so, the crowds at the Magic Kingdom made for 60 minute waits in the heat. This is a good reason why it's such a good idea to hit the park early, go back and sleep/rest/swin for a while and return later in the afternoon or evening.
MGM was crowded as well, the waits as usual were bad mid-day, but early on and late afternoon, they were in the 20-40 minute range.
Animal Kingdom was also best done early. Fast passes here helped a lot.
EPCOT was not a problem with the exception of Test Track, where the wait was upwards of 45-60 minutes by mid-afternoon. Some people got sneak previews of Mission Space whole we were there.
Downtown Disney was mobbed...kinda like Macy's on the day after Thanksgiving, but it made for a festive evening.
Transportation was really good on our trip. Motels were pretty full. Weather was hot but rain free, though they had 10 inches of rain the four days before we arrived.
We had no real problem getting good seating for most restaurants, if we were a little flexible. If you don't have a reservation for the popular meals now, it will be difficult when you get there.
Any more questions...ask away.....