WinRAR
Unfortunately the WinRAR results are not comparable as different versions of the single threaded WinRAR were used, so this chart does not really give us any information except the increase in speed on the same chipset with different FSB and processor speeds.

With the new BIOSes:

HDTach
Ok, no contest here. The P45 based Asus P5Q Deluxe with the ICHR10 Southbridge SLAUGHTERS the P35 based Gigabyte P35-DS3R for burst rates, however the sustained read rate is only slightly better.

Dominatation with the new BIOSes:
