Well if yor running a Athlon the Hypertransport is already at X5 1000/2000. Increasing or lowering your HT bus to a point has no inpact on your performance. But your memory timming, the lower the better. If you have standard/value ram to get a much of a lower/better timming you would probable have to bump it voltage up alittle. Its sort of a hit a miss till you get it were you want. Lower the timming and boot up and see if it runs stable. If not bump the voltage by .1, see if its stable then. All memory is different just dont increase the voltage to much or you will burn out your memory. I usually just leave my memory timming at stock and go for a MHZ increase instead when overclocking the CPU.