AfriGuy...it's been said how many times the last 4 pages that turbo charging alleviates this problem...from various people, myself included.
I think I mentioned this earlier in the thread, but we've made a lot of changes which has seen some positive results. Tweaking is something that's ongoing, so if we need to we can.
In order to do that though, we need to run a substantial amount of testing to tweak the right bits.