My breakdown on
Genie+ is this, assuming a busy park day like the summer:
Magic Kingdom?
Worth it. 17 attractions, 5 to 6 of which generally have substantial wait times.
IAS—Mine Train? Yes; Space Mountain? No.
Alternative? Yes; You can ride both Mine Train and Space Mountain at 1) rope drop, 2) early morning magic hours or 3) extra evening magic hours (Deluxe Guests only)
Note: Space Mountain will likely go to Genie+ once Tron is online.
Animal Kingdom?
Not worth it. 8 attractions, only 3 of which have substantial wait times.
IAS—Flight of Passage Yes; Expedition Everest? No.
Alternative? Yes; You can ride both Flight of Passage and Expedition Everest at 1) rope drop, 2) early morning magic hours or 3) extra evening magic hours (Deluxe Guests only). Expedition Everest also has a fairly quick single-rider line.
Epcot?
Not worth it. 9 attractions, only 2 of which have substantial wait times.
IAS—Ratatouille? Yes; Frozen Ever After? No.
Alternative? Mixed; You can ride Frozen Ever After at 1) rope drop, 2) early morning magic hours or 3) extra evening magic hours (Deluxe Guests only).
Note: Frozen Ever After will likely go to Genie+ once Guardians of the Galaxy Cosmic Rewind is online.
Hollywood Studios?
Worth it. 12 attractions, 4 of which have substantial wait times.
IAS—Rise of the Resistance? Yes; Mickey's Runaway Railway? No.
Alternative? Yes; You can ride both Rise of the Resistance and Mickey's Runaway Railway at 1) rope drop, 2) early morning magic hours or 3) extra evening magic hours (Deluxe Guests only)
Note: They're throwing us a bone with Slinky Dog Dash being available on Genie+. Who slipped that by Chapek?