Spider-Man is neat to look at, but if you have to wait more than half an hour, I'd skip the line and use the fast pass. I've seen the line on 120 minute waits before, and when you're outside, there isn't a whole lot to look at. The inside is sort of neat with the staff desks, etc.
Hulk has *nothing* to look at, with the exception of some televisions playing a cartoon explaining what happened to Bruce Banner. I prefer the music to the t.v., it's very upbeat and catchy.
Dueling Dragons is a definte walk though MUST! My favorite parts in the castle are the "ice" area, and the dragon skeleton.
Dudley Do Right really doesn't have much to look at...same with Popeye. Both do have some cute amusing signs to look at though.
The Unicorn Flyer is right next to Dueling Dragons, so all you hear is the screaming of the guests

PLEASE NOTE! If you're taller than 5 ft 11", this is NOT the ride for you! I'm 6ft1", and I nearly broke my poor little kneecaps on this coaster.
One Fish, Two Fish is sort of aggrivating. When you wait in line, you see the fish and hear the song. When someone uses a fast pass, you have to wait much, much longer and the song gets on your nerves...and it's hard to explain to your 2 year old why everyone is skipping in front of her in line. I'm not a happy person when it comes to fast pass with this line...I wait in the line almost 30-45 minutes each time because of the fast pass.
Jurrassic Park has an amusing little show on the television...other than that, you're looking at a long line and some bushes.
Cat in the Hat has some different Suess animals inside the waiting area, and little blurbs about the book.
I would personally just use a fast pass on the bigger rides, but wait in line for the smaller ones to see some of the details. That's just me, anyways
