Here is an article that looks at the performance of VIA southbridges. And its results are ugly to say the least. Here's the article, VIA southbridges. It shows the poor results of hard drive performance which we all know about, but it shows why. Apparently the PCI latency patch by George helps performance some. But this is nasty to say the least. I am moving to SCSI and was going to buy a new KT266a board as my foundation and it even serverely affects SCSI as well. This sucks.