Here are my returns from a system I have developed. It is similar to BRM's
Date BRM/OtG S&P B&H
BUY 2006-04-24 100.00 100.00
SELL 2006-06-19 95.49 94.96
BUY 2006-10-02 96.48 102.97
SELL 2007-09-04 105.37 110.91
BUY 2008-06-09 105.32 103.77
SELL 2008-07-14 95.98 96.19
BUY 2009-06-01 98.17 71.73
SELL 2010-06-21 116.70 82.16
BUY 2010-10-18 117.38 90.27
SELL 2011-06-27 125.85 102.22
BUY 2012-01-03 127.87 97.50
Current 2012-02-21 136.32 103.94
Over a 6 yr period it can outperform the S&P 500 by 5-6%/yr. This is not rocket science. Anybody can do it.
I sold in the summer of 2008 and stayed out for almost a year. That is a long time to ignore Flagpole et al. But my returns are far better.