Im enjoying the books so far. Action is definitely the stronger of the two titles, but Superman is still pretty solid.
Action has done a fantastic job of building up Metropolis and making it feel like a real, breathing setting. The villains in the book are intriguing and fun.
Superman is doing all the cosmic stuff, and that's always been a weak point for Bendis. And the pacing is slower than I'd like, his main villain is not impressive, and aging Clark's son up.....its too early to tell how that'll play out. It has potential, but ten-year-old Jon was a national treasure and Im not sure yet if what we've got now will make up for the loss. But overall the title is still fun enough for me to stick with.
Bendis has a great handle on Clark's voice and brings in interesting, fun ways to use the powers. He's trying to build something different with the Kent family that may turn out to be really interesting (the pacing is too slow for me to decide yet).
The previous creators (Tomasi and Jurgens) did a very traditional family unit with the Kents and Bendis is going in a totally different direction that feels.....it's like if Silver Age Superman had married Lois and had a kid. It's that kind of weird, wild family dynamic. They're still a rock solid family, but their lives are so.......Superman........that sitting down for dinner at 6 just isn't always in the cards.
So far, I think Action has continued to get better while Superman is tripping over its own feet a little. But all the ideas have potential and I'm as invested in the stories as I was when Grant Morrison (the greatest Super writer of the modern age, IMO) and Tomasi (who actually made me enjoy the family) were on the books.