Tried Consider Phlebas, the first book in the Culture series, based on a recommendation in this thread. Holy crap it's boring and the characters are utterly forgettable. I'm going back to all the unread Heinlein stuff I have.
They've been really hit or miss as far as stories go. There are some neat ideas in the series, but I don't know if I need to read anything beyond the 4-5 novels I've read so far. (Homosexual space communism)
I've been reading the Southern Reach Trilogy (Annihilation, Authority, Acceptance) and it is really different. The first novel was a quick read, but the second one is slower and still pretty good.
I am still waiting for that neck-bearded fuck to finish the third book in the Kingslayer trilogy.