@oh-gaathe: There is no specific range. However, it depends upon what program you are applying to. Universities have cutfoff points for GRE verbal and quantative. If you are trying to go to a PhD program, 700 in the quantative and 500 or maybe 550+ in the verbal is a good score. But you may be able to get in with a lower score as well. It will depend on what program you are applying to and which colleges you are considering. I would say that with a 1200+ score and a good undergrad GPA, you might have a good chance to get into a PhD program.

@anavon: I used Kaplan's GRE bookto prepare for the test. I have the pdf version(for the new revised GRE) of it. Message me your email, and I will send you the pdf file.