Saw it yesterday with my brother, and as fans of the anime we were both absolutely ready to rip the ^^^^ into it...But surprisingly it wasn't as terrible as everyone had made me believe. Yes, it's a bad movie and rapes the source material to hell and back, but it was pretty enjoyable, oddly enough. Really one of those "so bad it's good" movies.
Weird that they even bothered to keep the school crap in, though. It disappears after what, 10, 15 minutes? They could just as well have had Goku living on the mountain with his grandfather and have Chi-Chi be a girl down in the mountain's village, who sometimes comes up to hang out with Goku. But that would have made sense.
I do wonder why the hell they changed so much, when the actual movie STILL felt like a condensed anime, down to Yamcha who sounded like a badly dubbed nineties anime character, the (sometimes) heavy sci-fi/oriental mix, the fight scenes and even a Japanese pop song during the credits! Oh well, typical Hollywood arrogance I suppose.
And a shame that Roshi wasn't bald with a goatee and moustache, because he actually felt pretty well updated. Masters(?) was simply badass as Piccolo too, though he really didn't get enough lines and exposition. Shame, because out of the entire movie he was the only thing that had me wanting more.
But yeah, could have been a LOT better, the acting sucked balls from almost all of the cast, the stench of Fox' arrogance is laced throughout the entire movie...But all it does is just to really make it a movie that you can't take serious (in a good way), and it really is one of those "so bad it's good" flicks. I'll be kind and give it a 5/10.