I loved it and have now seen it 3 times. But I have a lot of questions, like
Rey's Origin (I don't think she's related to Luke at all, Mas said her family will never come back but Luke can), Can/will Kilo Ren redeem himself? Who is Snoak and how did he gain power? Snoak calls Kilo Ren the first of the Knights of Ren - does that mean First as in like the Spartan captain was called the First Spear, so just the leader, or does it mean First as in just literally the first, and he's not presumed to be better than other Knights who come after him? And is there going to be just one Master and one Apprentice, a la the Sith, or is there going to be an entire army of Knights? I feel like Snoak might be going for a whole army of Ren Knights, with Kilo Ren being the leader. Maybe Kilo means something like Leader or First? Is Luke going to be more of an Obi Wan (direct involvement) or Yoda (train and then disappear) type of master for Rey?
As for the similarities to the original Star Wars - you have to remember that Disney is treating this as a reboot of sorts, where they want you to get involved in their universe, which isn't going to end after movie #9. Notice how most of the posters and trailers don't say this was Star Wars 7. They don't want anyone to see 7-9 as the end of the Star Wars trilogy of trilogies, and to stop paying attention after that. I don't begrudge them using the tried and true formula, heck Return of the Jedi was basically the same plot too, but from here on out I expect they are going to be forging their own path. I definitely think Snoak is too smart to make a new Starkiller Base a la Return of the Jedi. I really enjoy (and so do my female relatives) that our new Jedi is female, and the friendship between Fin and Rey is excellent. I'll be happy for them regardless of whether they end up being engaged or not. Obviously we don't have the possible issue of them being unknowingly related like Luke and Leia had.
Han will be greatly missed, but I saw it coming when it was announced that Harrison Ford was going to reprise his role. Ford is getting up there in years, and he's expressed that he is looking at retiring for good, and that he doesn't really like going back to old characters. He hated playing Indiana Jones in the last movie, and although he hasn't said anything similar about Han, I'm sure he must on some level have thought that his involvement in Star Wars was finished long ago.
My extended family has been having frequent and protracted discussions about this.