We actually did a review of quite a few dual stamps not too long ago. There was a Miken included in the mix. I love dual stamps, I actually think they shine hitting the hard balls and keep up very well with normal 240 bats and seem to be a much more durable option.
I usually swing a 27 .5oz endload just like the Kobe and the 27 in the balanced feels really good. If anything I might consider going up an oz, but I don't think it's necessary. It swings very smooth.