Sony Pictures

The second big summer movie weekend has something for everyone—if you like candy-colored race cars, kitschy anime remakes, Ashton Kutcher, martial-arts flicks or even David Mamet. Here's what's out, and what we thought:

Redbelt:  Martial-arts trainer Chiwetel Ejiofor gets pulled into a prize-money tourney against his will. Kickass thinking-man's fight flick from writer-director Mamet. A-

What Happens in Vegas:  Goofy cuties Cameron Diaz and Kutcher are equally matched in a rom-com, as silly and pleasant as it needs to be—no more, no less. B

Speed Racer:  Go, Speed Racer, go! Go find a story more worthy of your mind-blowing visuals! If you don't already have ADD, you will by the finish line. Look—shiny object! C+