Gary Savage has suggested that we're perhaps entering a 2004-ish market in 2010, and I can see the basis for his rationale. Here is 2002-2004, with some tinting showing the successive eras I've marked:
….and here's the current market:
Of course, the question is: when does the yellow phase into the blue? Strictly on a percentage basis, we've got more yellow in our future – maybe even another 1,000 Dow points. Anyway, this is an analog worth watching. I still have a certain degree of faith in my 1937-1942 analog, although this rally is getting a bit long in the tooth to support it indefinitely.