Actually I just meant the content, not the graphics or a complete remake of Advance. I meant I want this HD 2D brand new Sonic title to have Sonic, Tails, Knuckles and Amy playable and Dr. Robotnik as the villian with a bunch of great stages, special stages in a variety of classic styles, some big final boss as has always been the tradition since the start, and Super Sonic playable in all the stages after collecting the Chaos Emeralds would be quite nice. All this in HD 2D would be quite lovely.
Oh, and Jun Senoue/Crush 40, Bentley Jones, Richard Jacques and TJ Davis all chipping in to the soundtrack please. The option for Dreams Come True and Masato Nakamura is an option but I doubt them. But a big collaboration of all these would be one sizzling Sonic soundtrack. =D