I've tried most of the popular chain lubes and found they all have their inherant weaknesses. The one I heard about most recent and haven't tried yet is Dumonde Tech. It specifies that you absolutely remove the cosmoline on a new chain, thoroughly clean the chain before applying. Once applied, the chains are supposed to run super quiet and go much farther between applications. In fact, you are not supposed to even reapply the lube until you start hearing the chain again. Chains are supposed to run clean and quiet for quite some time between applications. We shall see.
Mark