Price drop G series




I see a huge price drop in G series products (used) here in Germany. Within 6 months prices have really dropped steep.
I picked up a G2 body, boxed absolute new condition for 385Euros, a 35-70mm vario sonnar from the same guy, new, boxed for 400 Euro's. Now I wonder what is the cause of these declining prices, for I still consider the G2 a top spec camera. Are people switching to Digital, buying Mx's or what?