Castlevania: The Dracula X Chronicles review at PSPFanboy.

"Konami finally released Rondo of Blood to the global audience -- the one Castlevania that eluded us (legally) for many years. It's the title that takes place four years prior to Symphony of the Night, making the two essentially part of a chronicle. Thus the title Dracula X Chronicles -- a 3-in-1 deal with the original RoB, the new 3D/2D remake, and SotN all in one place. Sounds like the definitive collection for a Castlevania fan, right?"

Full Source: PSPFanboy