Batman Group has made the buzz with a teaser of a racing game : Vespertino. There will be a lite disk version but on a CPC 464 you will need more memory. The real version will be on a cartridge for all CPC (so it's not a CPC+ cartridge) to be able to hold all the assets of the game. It will be like the Repoker de Ases cartridge which holds 4Mhz games.
Personnally, I was much impressed by the 3D rotation of the car, a nice effect.
Xyphoe has made a video in reaction of this teaser.