I compare a relatively new Shure SM57 dynamic mic to a vintage counterpart. The vintage one is from between 1965 and 1985 and the relatively new one is from 2003. I'm playing a Marshall half stack and use one mic at a time to record it.
2003 Shure SM57
1965-1985 Shure SM57 (Unidyne III)
1977 Marshall Superbass with SIR #39 mod (implemented by Forsberg)
2008 Gibson Les Paul R9 with a Seymour Duncan Alnico II Pro in the bridge.