Gradius, which would have been the sixth official game in the series (not counting games like WiiWare's Gradius ReBirth) has been officially cancelled.
In 2007, Famitsu had stated that the game was canceled, but later issued a correction. However, there had been no news or screenshots of a PS3 Gradius since then.
It's unknown if the next-gen Gradius would have been a 2D scrolling shooter with next-gen graphics, or a fully 3D game.
Whatever the case, Gradius fans can shed a tear for Vic Viper.