I liked it.
IMHO better than the first one.
And ..it's a new history timeline ..so Khan can end up anywhere,
..they can re-think all the first contact stories of the series ..etc.
The major players on the crew have a life-work ahead of them
As for ship design and points of failure
.. hard to say what the requirements of an FTL starship drive system, shields, and anti-grav is going to demand.
I would hope it would have more character than an elongated egg shape front and tapered rear.
-Frank aka GE