Let me bring you this in overview.

PRO: - Stunning visually, through and through - Good acting by the entire cast - Interesting concept - A strong second half - A somewhat satisfying ending - A few interesting twists - The main musical theme is amazing.

CON: - It took too long for anything truly interesting to happen. It had a few good moments, but in general the whole first half of the movie was... a tiny bit boring. If it hadn't been a Nolan movie, I would probably have left in the break. I'm glad I didn't. But the first half makes me not want to see this movie again. - There are really too many plot holes. Or moments that are not well-explained enough for them to be plausible. Things like characters experiencing revelations based on... well, pretty much nothing. Especially near the end. Which doesn't take away from the awesomeness of the second half. But one has to overlook these things to enjoy the story. - Besides the main theme, most of the score seem misplaced. Too loud. Too bombastic. Or not adding to the emotions on screen. And I'm speaking as a huge Hans Zimmer fan here.

All in all, I would recommend seeing it. Definitely. But with an expectation that it's not as special as we've come to expect from Nolan.