Problem is SiS and ALi haven't been able to build a strong enough reputation in the enthusiast market to warrant manufacturers producing high end boards with them. Two exceptions were the Leadtek Winfast 7350KDA and the Iwill XP333. Now the XP333 is a fine board, but not up to my level of perfection. Notice that even though ALi boards all had some weird problem, the problem was always unique the that manufacturer, implying that poorly validated motherboard/BIOS design was responsible, not the chipset. Unlike VIA chipsets that have certain problems on all boards, indicating the chipset itself is the problem. Same goes for SiS in the area of performance, except for the 7350KDA, no retail board seems to have the performance of the reference board. Usually performance increases with developement on other brands! Again indicating that the board manufacturer just didn't put an adequate amount of effort into their product.
Anyway, the KT266A had that 3% lead on the SiS 735. Not a good tradeoff for the small issues that became major problems for such a large minority of VIA users. And it looks like the KT400 isn't any faster.
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