Here's my take after about 2 and half hours of play...
The game is fantastic. All of the reviews proclaiming uncomfortableness in the play control, horrible dialog and voice acting, almost MGS style delivery of cinematic sequences, or even the awkward use of switching to 1st-person view for scanning/missiles are dead wrong.
This game feels like a Metroid game through and through. It's how I originally envisioned the Metroid series would evolve before the entire Prime series came to fruition anyway. I mean, if you couldn't sense the grand cinematic scope of Super Metroid (or even Metroid!) back in the day, and then as you got older and played more evolved 3D type games, and wondered, "Hmmm.. what would Metroid be like nowadays?" ... well, this is how it felt for me.
Samus runs and guns so silky smooth. The digital control is actually quite precise -- you can tell because if you barely tap in any one direction as Samus is standing still, she'll pivot in that direction (you'll also notice this same "pivoting" action is done the EXACT same way in Super Metroid). This makes the switch to 1st-person view so smooth. Oh, and the uneasiness of using this view and flipping the controller to and fro? Try not taking your right hand off the bottom of the remote as you flip it, keeping your left hand at the top -- use your left index finger for holding "B" to scan/lock-on, and use your right thumb on the "1" button to fire missiles or your Power Beam instead of the "A" button...does the exact same thing. This method is SO much easier to keep the controller centered in your grip, making the transition back and forth easier. The same can also be said for the "healing/refilling missiles" move -- use your left thumb on the "A" button as you tilt the remote upwards. This always keeps both hands on the remote at all times. Like I said, so much easier.
And I'll say this, I love the cinematic sequences. Sakamoto and crew have done an amazing job. Samus' voice? I love it. Her internal monologue sounds like an internal monologue, and the voice acting as she communicates to the supporting cast is quite good, too. And the supporting cast is great, too! Anthony Higgs is probably my favorite of the other characters at the moment...he's quite the character. I honestly don't understand all this crap and nonsense that's been spewed out of reviewers' mouths. It baffles me to no extent. This game is fantastic. And the Team Ninja flair that's been added in -- the Sensemove, Lethal Attack, and Overblast -- basic moves that everyone's seen in all of the videos released thus far on the game? They fit PERFECTLY into Samus' arsenal. Fluid, smooth, and fun as hell to execute.
THIS is how I imagined Metroid to be coming into world of 3D gaming. Nice job, Sakamoto and Team Ninja. I commend thee!