Lumix 14-42 or 14-45
The best place to ask is the Micro Four Thirds forum. You can also check the G2 review here, where DPR concludes the 14-45 is optically the better lens. Looking at resale value, it's a difference of us$100 or more.
Jim in Oregon.. granitix.blogspot.. A200 veteran, now K-7 + G1