I find many attractions to be a waste of time. I'll list them and say why, so you can make up your own mind.
Shrek: Gonna take some heat for this, probably. But, the hydraulics in the seats are so loud that it's really hard to hear what's happening on screen. I didn't think the show was particularly entertaining, either. I thought the pre-show was much better.
Anything in Seuss land: Just geared too much toward kids. Not my thing.
E.T.: The animatronics are old as heck, but lack the nostalgia that the same Disney-era rides possess. It's not a really well done ride, either.
Twister: Thought it was lame. I live in Kansas, though, so I've seen my share of actual Twisters (and lived through a few). Your mileage may vary.
Sinbad: Bleh. Not a fan of those kinds of shows.
Flight of the Hippogryph: Not thrilling enough for the wait time. See also: Pteranadon Flyers, Woody Woodpecker
Never seen Terminator show, but we skip it anyway.
Storm Force Accelatron: It's teacups.