First off, it's not really a roller coaster. It's more of a dangle-you-up-really-high-as-you-rock-back-and-forth ride. And for that, it was okay. But the wait for it was ridiculously long for me when there was a sick passenger before me. There was a lot of calling back and forth with the manager before they escorted the person off. That said, the ride was okay.
I say it's okay because I guess I was expecting more. It's a bit thrilling, but I think the scenery was particularly nice (looking down the Stratosphere with no windows). And for a see-saw ride, it's quite smooth.