Hooo-kay. Finally went to see it. Here's a brief summary of my thoughts, condensed after much threshing-out IRL.
First, the saber fights. Fucking spot on, A++. They perfectly recaptured the emotional intensity and the hierarchy of significance that the original trilogy had.
The aesthetics were spot on, with one flaw: too overtly referential.
The characters? Good fucking god poor Chewie, he carried the film on his back. It felt as if they were trying too hard to recapture the chemistry of Luke, Leia, and Han with the new core cast, Rei/Ray(?), Finn, and Definitely Not Wedge Antilles. Rei/Ray was the nascent Force-user who grew up in poverty on a desert planet but also the tech-head who flies around as the pilot of an old junker (by the end of the film, anyways). Finn was the refugee with important information who doesn't actually do much of use and also the fish-out-of-water who isn't very good at anything. Definitely Not Wedge Antilles was the sarcastic, quip-spewing rogue and also the ace pilot who pulls off the nigh-impossible saving shot.
Ben/Kylo Ren? Angsty teenager (who's actually 30-something if we go by looks) trying too hard to emulate a grandfather he doesn't actually understand as the production team and director try too hard to recapture the perfect evil of pre-prequel-release Darth Vader. Ginger General is a faceless nobody. Soccer Ball Droid is an annoying shit in need of a punting. Giant Sith Voldemort is unthreatening and underwhelming. Also I genuinely thought that he was legitimately just a 50 foot tall dude until it turned out to be a hologram. Little orange Force-sensitive woman with the goggles was excellent, felt like she belonged in the original trilogy.
The plot? God damn now I understand the jokes about just watching A New Hope again. This is where the overly referential characters, scenes, and visuals came together to bite the film in the ass. The plot felt incredibly rushed, far too connect-the-reference-dots-y, didn't convey the sort of emotional attachment to/hatred of the protagonists/antagonists that A New Hope did, &c., even when they so closely copied so much of A New Hope in an effort to do so. By the very end of it I had only begun to feel a slight bit of an emotional connection with Ray/Rei, and that's it for the new characters after 2.5 hours of screentime.
Speaking of Ray/Rei, Luke's daughter Y/N? I'm guessing yes. They mirrored so much else about A New Hope, that plot "twist" is probably included as well. She's got a heavy parallel to Luke and Anakin, the death of Han closely mirrored Obi Wan's death scene in terms of intended emotional impact and visual presentation, and it would lend an additional level of significance to her fight with Ben/Kylo Ren in the forest. Evidently Luke put his dick in crazy, considering that it was apparently her mother who sold her/abandoned her in a tiny desert shithole.
Also, major plot hole. More than one map of the galaxy exists, yes? If so, why did the Definitely Not Rebel Alliance need the rest of R2's map? Couldn't they have just pulled up another map of the galaxy and matched the soccer ball's piece to the appropriate section?
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Basically, there was a lot good about the film and I plan to see the next one, but they tried too damn hard to tie it to A New Hope, and that forced referencing and mirroring dragged it down. They could have completely cut everything after Han and Chewie met up with Ray/Rei and Finn. After that, use the major points in the story to build something new: (Han reunites with Leia, audience is given more information about Ben/Kylo Ren, Finn finds out that Definitely Not Wedge Antilles is alive, R2D2 wakes up) reorients the film and cast on the "find Luke" overarching goal rather than shoehorning in the Death Star Mk3 fight. Han, Chewie, Finn, Rei/Ray, and R2D2 set off in the Falcon in search of Luke, possibly accompanied by Definitely Not Wedge Antilles in his X-Wing (to give him more screentime and better establish his relationship with Finn). They're intercepted by Kylo Ren, Han is killed, Chewie breaks our hearts, the Rei/Ray+Finn vs. Kylo Ren fight happens (if Definitely Not Wedge Antilles is along for the ride, he spends this time in his X-Wing disabling Kylo Ren's ship to prevent pursuit). The main group flee onward aboard the Falcon. The falling action is them grieving and bonding, culminating with Rei/Ray meeting Luke exactly as in the actual film.
Boom. Less rushed, fewer forced references, more time for us to grow to care about the new characters. Everything that's done right shines through, and even if the plot/characters aren't the greatest, they're at least better than they were. Of all the things the prequels got wrong "not having a Death Star fight in the second or third ones" wasn't one of them.
But yeah, the saber fights were perfect.