Unless it's a ping. I bought my old i5's used for $250 and I can probably get the same $250 out of them 8 years later. Ping Karstens go for big bucks. Even eye 2's and i3's go for a couple hundo.
460cc has been in effect for a while. The jump from a 310 to a 425 was huge. Anything older than an original r5 is like 75% as good. Anything newer than an r5 has diminishing returns. Small %'s here.