Is Sega dipping into the well of Dreamcast franchises again? That's what we heard from friendlier folks at Comic-Con last week, specifically that the publisher was planning on bringing back one of its more beloved franchises, Jet Grind Radio. After outings on the Dreamcast and Xbox, we haven't seen anything of the futuristic inline-skater since 2003's Jet Set Radio for the Game Boy Advance.