X-bit labs has a look at the VIA P4X400 and SiS648 P4 chipsets.
The situation in the chipset market is changing fast nowadays. New chipsets used to become available to mainboard makers a few times a year, but now I have to review them monthly. And not just one but several products are often to be reviewed. So what's happening to the market? Why are the manufacturers trying to smother the market in their new wares?More information at X-bit labs