Callaway Biggest

Difference between 2006 and 2008 Callaway Big Bertha Irons?

I am new golf irons Callaway Big Bertha feel good now, but I'm not sure what that the difference between versions 2006 and 2008. Is it just the look or what? Please help me!

2006 berthas large are less tolerant and hit the ball at a distance slightly shorter than that of 2008. The views are something else, but the big difference between the 2 clubs are feeling. In 06 "models that have a strong impact on the club and 08 'has a softer feel. But if I were you I just want to go with the 06 'because you are new to golf and should not go with a set of first kind.