I guided Steve from the Diablo Valley Fly Fishers today on the Lower Sac.  He saw my presentation about "The Lower Sac without a Bobber" at the club last year and it piqued his curiosity.  We spent all day fishing dries and swinging nymphs with a 6wt spey rod.  The swinging with the spey rod was really slow mid-day but picked up in the evening.  Steve landed his first fish on his new Anderson Custom Rods Nova 6wt spey rod right at dusk.  That is a sweet rod!  The mid-day dry fly action was pretty good today.  Steve landed his biggest rainbows ever on dries while wading the shallow riffles today.  Most of the fish we hooked on dries were in water less than 2 feet deep.  Several were in water less than 10 inches!  There is a great mixed hatch of caddis, craneflies, and small mayflies right now.  The fish are selective - we changed flies a lot today.