Originally Posted by MoscaPescador
It's all about payload management. If you plan on throwing mouse patterns, the 6 weight will be the better stick.
First "a good call" (no bad pun intended) to Bob. Known him for years and his/Steve G's 'shop' is a 10 minute drive from my front door. But MP's right on with his comment. Fly size drives a lot of the 'answer.' As a rod, either will handle anything you're likely to hook, but the size of the fly is really quite something else.