Benchmark results are here . John Carmack has updated his .plan with some more details on making the Quake3 speed up on dual processor systems. Seems pretty interesting. Looks like there's finally a good reason to spare that extra money and go for a 2-way system. This time Linux experts should be present on the site to administer proper conduction of the test.
More information is available here .
It is based on ZX chipset which is a cheaper version of BX chipset used in previous motherboards. There are some minor differences when comparing these two chipsets but for a typical use the only difference is lower price. The motherboard is expected to retain the same great overclocking ability as previous BX versions did. Intel has released new version of PIII processor clocked at 550Mhz. It still runs on 100 MHz bus therefore no major breakthrough here.