Sword and Shield posted an abbreviated trailer for the film here. I found a full-length version (about 10 seconds longer) of the trailer here. Yes, it appears to have the "wave motion gun;" totally badass and very, very space opera in scope.
It also seems to have an Aerosmith soundtrack. I don't know what's up with that...wasn't Wolfmother available? Personally, I would have been perfectly happy with the original cartoon theme (it sounds the same in English and Japanese)...also very badass.
Here's the full length trailer: