Should I put my (good) GPA on my resume?

This might sound like a duh question, but I've heard from some instructors that if an employer sees a high GPA on a resume it might give off the impression that I think I'm a big shot student. The job placement specialists on campus say it's not really necessary and that if someone wants it in an interview then they'll ask for it. Any one have a lot of experience in this?
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No. At least not right now with this economy. When applying for a job, employers look for key words that fit the position they're wanting to fill. Make that your focus, because they want to know you can do the job, not what you learned in school/college.