bought my 12-60/3.5-5.6 used from ebay. Quite a good walk around lens. Pairs well with my G85 and it supports the dual IS feature etc etc.
Problem is in low light. I still go to my 12-35/2.8 there. Thats the only thing i have a problem with the 12-60/3.5-5.6. Other than that, it shoots...