[VIDEO]http://www.youtube.com/watch?v=AJInfJSkMsI]YouTube - Mesa/Boogie Dual Rectifier 2010 vs 2009 Shootout Comparison[/VIDEO]
Pretty cool comparison. The guy plays the same riffs through both amps on the same settings, and it ping pongs back and forth between them. Seems like the model is a little bit brighter.
2009 sounds more smooth
2010 sounds more upper midrange pushed as well as brighter. I like the 2010 more.