After a couple days with the game, here are my impressions (based solely on playing the CPU, btw--I'm prepared to come back in and eat my crow if/when the online play bowls me over):
Moving with the ball is mostly brilliant. I'd love for that to be in Madden almost in its entirety. Whether you're running with the RB, returning a kick, or moving with the WR after the catch--it's pretty sensational.
Almost everything else ranges from poor to LOL.
One interesting thing to note when running the ball: while the physics engine makes picking your way through the line feel very realistic, and ensures there's no nonsense suction/warp blocking, I still don't feel like I have quite enough
direct control of the runner. In theory, the engine should give you the MOST control of any game, but I still feel like I get trapped in canned animations much more than I ever did in 2KX. You should be able to interrupt animations, etc. I do like the way they implement their speed burst, turning you into a friggin' freight train, and sacrificing the ability to do most of your funky jukes. So you're constantly pulling and releasing the R trigger. I really like the feel of that.
The playbooks are pretty awful--and the same for every team? Blech.
The passing game is an interesting idea--it's kind of like Madden's old vision cone, but with a more logical implementation. With a little different camera view and slightly more peripheral vision, it could be great. I really like the way it forces you through a progression and makes you feel like you need to throw the ball or move NOW. The passing and catching, however, are really, really bad. QB throwing animations look wrong and take a fucking fortnight. You can't manually catch a pass, and the CPU-controlled receivers are butterfingers to the maxx. The one element of the passing I do like is using the stick to lead your receiver after your throwing motion.
Defense and special teams are where the game really falls apart, though. It feels like a game designed by people who only think playing on offense is fun. And the football games that my friends and I all regard as the tops, like NCAA 2004, are held in such high regard because they made defense as rewarding, interesting, and fun as playing offense. Picking the ball off is super easy for a number of reasons, one of which is: you don't do it yourself. You just maneuver into position, and the computer takes care of it for you. Additionally, the CPU will throw it right to you. In the first couple of games I played, I must have gotten 10 user picks just by taking an LB and standing between the QB and the RB running out on the swing pass. No one in their right mind would throw that pass--but the computer did repeatedly.
Even using the L trigger there are problems with the camera on defense, though. For example, if you're covering a receiver and are in position to make the tackle, the instant he catches the ball, the camera does a very slight, very fast shift, that usually leaves you out of position in an instant. It's a weird "feel" thing, more than a clear technical gaffe. But I'm pretty sure it's there.
On special teams, there is an absolutely idiotic amount of roughing the kicker penalties on your team. It does improve on higher difficulty levels, but it's not uncommon to have your gunners straight-out tackle the punter after he kicks the ball three or four times in a game with 5-minute quarters. Fielding kicks is pretty much manual--you have to navigate to the circle where the punt is coming down, which sounds fine, but is problematic, because if you're not precisely where the game wants you to be, the ball will hit you and carom off wildly. It's pretty stupid. And the kicking game is insanely easy.
Those are my initial gameplay thoughts. Love parts of the engine, hate pretty much everything else. Even the engine needs refinement though. For every moment where I shit myself at how cool the interactions between the ballcarrier and defender played out, there are five moments where guys unrealistically go down like a big sack of sand, or get their limbs twisted into shapes that the human body cannot take.
And we shouldn't even talk about presentation/extras. The insipid heavy metal music that's pumped into every menu, every replay, every possible idle second is so intolerable I actually got a headache playing last night.
Tackle Alley is pretty fun though.