I've been to a few Disney attractions in my day including Tokyo Disney. Compared to other Disney place it's OK but not amazing. It wasn't as busy as Tokyo Disney (I went on a Thursday in July, would probably be busier on a weekend) so I got to go on all the major rides I wanted, first thing in the morning and returning about 7:30 for the night parade and a last few rides. Yes you have to be careful with the timing, it's busiest in the afternoon. If you go when it first opens (10am for 'main street' shopping, 10:30 for the first rides) most of the minor rides have little or no lines. Use the fastpass for Space Mountain or Pooh.If you go in summer, the heat is PUNISHING. There is nowhere to sit and rest in the air conditioning   you're either sitting in the heat (even in the shade it's hot), or standing in the air conditioning (e.g. shopping or once the lines get inside the buildings). There is some indoor dining but of course they're the expensive restaurants. The indoor shows were about the only chance to rest, sitting, inside. So anyway come prepared for the heat   plenty of water, loose clothing, sunscreen, many people use umbrellas for shade. BIGGEST TIP for the heat: buy one of those small handheld electric fans you can pick up at the touristy areas BEFORE going to Disneyland. Inside you can only buy a huge, heavy, expensive Disney fan.All that being said, I still had a good time. I'm glad I went to my hotel for a rest in the afternoon (get your hand stamped and save your ticket to return), then came back for the evening parade and a little bit of fireworks (left before it ended to avoid the crowd going home), even managed to sneak in two more rides right at the end (although many rides close early).Highlight for me was getting a photo with Chewbacca! Yes you have to queue to get a photo but it was worth it. I love roller coasters so my favourite hands down was Space Mountain (Star Wars themed) and the runaway mine car was also super fun.