No, I think they can do this movie a good way (example, the "Iron Man" movie)
And the can really %$#! this movie up (example, X-men and Fantastic Four).
They are definitlty going to aim the movie from kids to adults, so the blood and fighting are not going to be like a hong kong kung-fu movie. And, since they are going to use the guys from the matrix, they better get all the camera shots nice and good or else the show is going to look cheesy.
Also, they might not stay true to the story line (example, Goku is played as a teenager, not a kid
Or, they could stay true to the story, put in a lot of Dragon Ball humor, and have some wickied awesome fight scenes and make it an instant hit.
Well, atleast we know there will be a sequel because the studios usually make sequels depending on ticket sales and public response. Since Dragon Ball is popular through out Earth, that won't be a problem.
The End.