laptop vs upscaler dvd player

[dirtystudent]

Just a quick question, My laptop has an HDMI out I'm in the market for a 720p projector. Will the film quality be comparable to a dvd player with upscaling and is there a difference between using the HDMI out on my laptop and the VGA out?
Cheers

 

[dirtystudent]

--By film quality I meant DVD playback quality--