Microsoft’s fabled Zune line has done a lot of growing up over the years. From the first-gen 30GB player that we scorned back in 2006 to the 8GB model we warmed up to 2007, Microsoft has continually been fine tuning its line of media players to deal with the crush of criticism they’ve met on the open market. That refinement reaches its pinnacle with the 80GB and 120GB players, which are both the largest and most capable Microsoft has ever produced. But are they ready to run alongside Apple’s class-leading iPod yet?