Actually seems to have an updated broadcom driver and/or a fix for the wireless "choke" phenomenon that was happening in leopard among a slew of other performance boosts. HD video decoding actually works with very low cpu use now too 
(not sure if open cl is being utilized yet, but when/if it does those numbers will decrease even further.) I deleted my windows partition 
(not sure if open cl is being utilized yet, but when/if it does those numbers will decrease even further.) I deleted my windows partition