As far as some components go (like RD, rear hub, ergos, seat post) it is extremely hard to even tell apart the Record (generation after the Corsa Record -aka C-Record) from the Chorus (second generation) c. 1992-4. Later, Campy got smarter and started scripting component group names on some of those bits. There is a sizable jump in quality from Record and Chorus to Athena (the next contemporary group), but for some parts (like front hubs or seat posts) Athena is close to the other 2. I would suggest going with Chorus, unless you have a bin of Record bits sitting. Record brakes are better both aesthetically and functionally.