The speed thing is not a high priority for me...I'm cool with the speeds I'm getting now... I actually prefer it in the 270fps rangebut that's a story for another time.
But the nice thing is.........you can get those speeds with like a 6lb. arrow.
Heck just sharpen up a shovel and you should still be in the 260's anyway.
I understand your frustration, many times the long draw length guys aren't left out for cost cutting reasons etc, it's simply because the design geometry will not allow it.