Deferring on the first question—I only have access to the regular edition via Tidal, will try to track down the 30th anniversary edition to give it a listen, and compare masterings. Might ask this sort of question on the Steve Hoffman forums.
Multiple: Olé ELO, A New World Record, Out of the Blue, Face the Music (in order of hearing them and immediately subsequently purchasing them in my youth.
Kuiama, probably, but The Jungle is a close second.