Good rides are hard to define, so people can disagree with me if they want... but my personal list would be:
MK: JC, Pirates, Thunder, Splash, HM, Pan, and Space
EPCOT: Soarin, Land, SSE, Mission Space, TT, Frozen
DHS: SDD, MMRR, MFSR, RnRC, SDD, ToT, TSM
AK: Everest, Dinosaur, Safaris, FotLK, Navi
EDIT: Also I have terrible grammar/ spelling so I really don't care. Just having a quick poke.
You list SDD twice for HS. i mention that not to pick on your grammar, but that = a list of 5. not 6. Of those 5, 2 are gone is less than 10 seconds.
If you don't get one of them, That only leaves 3 passes: MMRR, MFSR, RnRC, and ToT.
With ToT only operating in a limited fashion, it currently sells out pretty quickly.
I got screwed because the system locked up on me at 7am. I logged in at the exact correct time. we had 3 phones going, with one set to show official NIST time.
I got 1.) MF:SR, and 2.) TSM. By the time I was eligible for pass #3, Aliens was my only real-ish option. I think Aliens standby was posted at 35min when I used the pass, so it did save some time. MMRR and ToT were already long gone for the day. I could have gotten a late PM RnRC, but I had already ridden it standby (SR).
The second phone was used to get Rise. We were initially offered what appeared to be 11am, but when we clicked to buy the available times suddenly became 3:30pm and later. You have like 1minute to click BUY! or lose the option entirely, so we did.
I did actually get a few teasers after that, at 7:04am it momentarily LOOKED like a Slinky pass was available, but as soon as I clicked on it (instantly), it disappeared. The grey "Not Currently Offered" box popped up instead. That's frustrating; it feels like getting the middle finger from G+.
On top of that, I talked to a cast member at the hotel, but she wasn't able to do anything. It was just a waste of time. I mean, that was just past 7am, and the park opened at 7:30am. So any attempt to do anything, just = more losing out.
I didn't even try AK, because I saw in advance that the park opened for Early Entry at 7am. more or less, you were either getting G+, or EE, but not both. And that's GETTING TO THE PARK for 7am.
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A much better use of G+ was at MK. We went to Universal most of the day, but I booked PM G+ for MK.
One other difference I notice was that with FP+, it was easy to memorize your 3 FP times. With G+, you have to keep track of both your pass times, and the time you can book your next pass. Since it is all same day, and return windows are random, that's just not as easy to memorize. you're in the parks, trying to get to attractions, and the passes are not evenly spaced.
We used multiple alarms to keep track of the times, and that helped. As soon as I got a G+ pass, I set a timer.
Oh, there was also one time I THOUGHT i had book a G+, but then it disappeared. I'm not sure, what happened, maybe my connection glitched? Luckily, I noticed within a short time and was able to book something else. But I absolutely recommend making sure the system actually shows you as having all your G+.