Are you getting Ignition? I got it too and I'm getting it shipped next week.
Also I'm hearing from some people that Nitro+ Blasterz is meh in the end from what they tried.
I got npb (and dfci and koihime enbu as well), and really liked the game
- nice movement options and speed
- like AquaPazza, the playstyles vary greatly (and -- once again, like AquaPazza, --personally I like a lot of said playstyles, to the point that if I stick to one character, I get into an urge to play the other characters as well)
- nice mechanics (vanishing guard, escape action, variable rush, infinite blast, guard cancel..)
- nice mix-up game (throws, short hops -- down+D --, vanishing guard..) with balanced combo damage from pressure-based combo starters (short hop, throw, lows)
- nice neutral game
- current meta favors short combos (due to heavy damage scaling, similar to AquaPazza, and dem hueg comboz giving the opponent a lot of meter)
- anyone can start playing the characters in a basic level (the inputs aren't difficult -- the hardest ones being 632146, or 236236 --, the game doesn't force you to do "optimal combos" -- unless when playing against an advanced opponent, in which case, the cause of defeat would likely not be on the "lack of practice for optimal combos")
- assists (like in AquaPazza) don't have to be combo-oriented
there's a recent system mechanic video here:
https://www.youtube.com/watch?v=ivGP_Y7ymrsbtw, the american version of NitroPlus Blasterz will come out on February 2nd, and the japanese version of Koihime Enbu is out already (released on January 28th)
edit: there's a homepage for the US version of NitroPlus Blasterz:
http://www.nitroplusblasterz.com/