Finally managed to play two full rounds last night and I'm left... Underwhelmed? Granted I haven't really touched the Battlefield series since 4 (dabbled in 1 but gave 5 a wide berth) but it doesn't feel overly Battlefield-esque to me, more Warzone. The gun handling seems off, can't explain why but I just wasn't gelling with any weapons aside from the AK - though a lot is probably down to the mediocre hit detection.
The vehicles I barely used; tried the AA APC thing for one round and can't say it was much fun. A minigun that does next to no damage to players let alone vehicles and anti-air missiles that are hit-or-miss if they'll actually track a target (and no not being thrown off by counter measures). Plus the little EMP thing on the drone just made it completely pointless to use because you can then do nothing whatsoever.
I tried the Littlebird. I don't think I'll be trying it again. I adored helicopter piloting in the earlier titles, and was fairly proficient at it (especially the Littlebird). But the whole flight model felt janky as hell and the default controls are horrific, really couldn't wrap my head around it at all. Though once I got used to it a bit more I was quite happy dogfighting with other choppers
Didn't get to experience the storm thing, can't imagine it adds much judging by videos I've seen. The infantry combat / involvement on the Orbital map seemed very, what's the world, pin-pointed? People hitched a ride to one objective and then spent the majority of their time staying there, not moving over to other capture points. Maybe it's just the map layout and huge open spaces, but it was quite mind-numbing either waiting for enemies to show up, or trying to cross to another point and getting obliterated by a tank sat off in the distance somewhere.
Probably won't be a day one purchase for me, but then I have only played it when I'm knackered and less likely to enjoy it anyway