So after playing it for a couple of hours yesterday, these are my impressions.
It's a very addictive multiplayer experience that benefits in being to the point before and during a match. I kind of find it funny how just the multiplayer is called "Classic" when really even in the Campaign all you're doing is playing multiplayer. I'm not a fan of unlocking what I would consider more "basic" gear, but once you're up a few levels, you should be able to hold your own fine. Yeah, maybe you're not in your preferred layout, but you should still be able to kick butt.
Speaking of, the Grunts and Spectre bots are a bit derpy. Don't fully underestimate them as its still possible to be killed by them, but they really serve more as cannon fodder for your weapons. Thing is, it's during these enemies that you'll probably learn more about the combat. It's a bit deeper than you might realize, like how you can hack enemy Spectre to fight for you, or the different tactics Titans can serve on the field. I actually killed an enemy Titan with my Titan drop!
I'm definitely going to play more tonight, but how many of you guys actually have the game now? I've noticed barely no one speaks in the lobby or in-game. Of all the matches I had, I had two people talk: mic static from one, and a "Ha" from another.