I watched the movie for what it was; an action film that happened to be called Star Trek. I already knew and expected that it was going to be all about the special effects and blowing ships up, really flashy (especially with all that damn lens flare). I did like it, saw it a second time and still liked it. It's a good action flick, the casting was good, and it seems that while this film wasn't made for Trek-fans, the powers-that-be still tried to give a nod or two for the Trekkies watching.
My biggest complaint isn't really the whole timeline issue. There are many episodes that have already skewed and twisted the timeline anyway, parallel universes and whatnot. So this is just par for course, we have an alternate universe now, probably one of those many universes Worf saw in the TNG episode Parallels. However, I did take issue with the casting choices for Spock's parents. Maybe this is just nitpicky, but I felt that they did an overall decent job with the main crew. And then completely messed up for Spock's parents.
Winona Ryder...seriously?! Why? Just, why? I remember how Jane Wyatt portrayed Amanda Grayson; charming, dignified yet with a sense of humor and backbone. Winona Ryder was simpering, dull and lackluster. I was actually happy when she fell off the cliff. And that guy who stood around with a WTF expression on his face for the entire movie as Sarek. Compared the quiet dignity of Mark Leonard. I almost felt like NuSarek was astonished and baffled to find himself in a movie.
NuSarek: "Where am I? Is this...Is this a movie? I think I'm in a movie...but I'm not sure. Oh my God, Spock is beating up Kirk! Should I do something? Do I just stand here and watch in complete confusion? I think my wife died earlier...I'm not sure..."
Yeah, so that was my biggest issue with the film. It's entertaining, though it doesn't really have that Trek 'feel' to it. But hey, there are worse Trek films...V comes to mind...