I really like my Slik 624 CF.
I used to have a two section Aluminum Giottos MT9240. weighted like 1.75#, was sturdy and cost like $75. not sure if you can still find them.
I am basically running the same arrow as you, and am thinking of playing with the same thing to just see what happens.
I have been playing around with Archers Advantage with both setups, With my Platinum Pierce's I had to cut them down a touch more to stiffen them up. But I have a heavier 4...