I don't want to start anything but I found the site that my dealer used to make the comment to me regarding the cam vs big bore.
http://www.thunderbike.co.nz/newsletters/06autumn.htm
the one chart shows significant increases in the 5500 to 7000 rpm range for the speedmaster using their cam/exhaust kit. the kicker, click on "buy now". thought I was gonna have the big one. just like Dinqua said,the $ to hp thing isn't quite there

mike

2006 neon blue speedmaster