Steven Erikson is a great writer and has some of the best and most unique world-building capabilities in the genre, but I have found it very, very, VERY hard to keep track of what's going on, because there's so MUCH going on. There don't seem to be any lengthy series in progress right now that have not already been mentioned - there's Patrick Rothfuss and Scott Lynch, who are excellent, but be prepared for very long waits.
Naomi Novik's Temeraire books have been consistently very good; each book is a Further Adventures Of with a couple of storylines carrying the whole thing forward. It's always best to start from the beginning, but you can pick up any of the books and jump right in without missing much. (It's also worth noting that Peter Jackson optioned the first Temeraire book; where that stands, I don't know.)
Robin Hobb's Assassin/Ship/Tawny books are three intertwined trilogies, and if you read nothing else of hers, at least read Assassin's Apprentice, as it's on my list of top ten books *ever* in that genre.
I also liked Greg Keyes' quad that starts with Briar King.