Would have been interesting to see a deceptively smaller ship kick the Enterprise in the nacelles. We had the big scary ship last movie.

Still fuzzy on why they need a genetic superman from the past to design new weapons. You'd think there are plenty of mad scientists in the 23rd century, with a few good non Starfleet sanctioned ideas...

I'm going to put my money on the table right now, and bet they reimagine The Doomsday Machine next time out.

One thing the sequel didn't have time to address, do the Romulans know of Nero's actions, and that they'd better start planning for that supernova?