I'm pretty sure the makers wanted to do the effects using prosthetics and the producers wanted CGI or something along those lines, i remember seeing some test footage somewhere online i think.
I didn't mind the film, it was acted well enough but agree it would have been much more effective with old school effects.
Just found this video where it talks about the original effects -
http://www.youtube.com/watch?time_co...ature=emb_logo
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