Someone (forget who) praised Silverchair's new one "Young Modern" the other day, and I had to just now jump in and agree!  This is a fantastic album.  I also developed an interest in this group relatively late as I had no interest in listening to their earlier grunge inspired stuff (as at that time, I was pretty much over that scene).  This group has really progressed nicely.  Interesting arrangements, some cool strings courtesy of Van Dyke Parks...and damned catchy too.  

Oh, and 2002's Diorama is great too.
Mark E.