Saw it tonight, and I too enjoyed it more than I thought I would. The entire cast was great, particularly Donald Glover, Woody, and Paul Bettany. The guy who plays Han does a decent job as well. I noticed just a little bit of Harrison Ford mimicry in some of his dialogue and facial expressions, but for the most part I thought he brought his own thing and slid into the role pretty comfortably once the story and the action kicked in.
It's definitely a more upbeat adventure than Rogue One or the Last Jedi. Fun movie!