Even though this belongs in the Motherboard forum, I'll add my two cents anyway. I love Abit. Everyone here knows that and I get my shorts gnawed on all the time for it. However, in this case, I'd stay away from the KG7 UNTIL Abit sorts out the issues that folks seem to be having with the board.
Seems that the power management on the board is off because it likes to fry video cards in the AGP slot. Not funny at anytime and particularly unfunny if you have a $300 GF3 in there. (Poor ToBeMe!

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I emailed Abit and asked them about this problem. That was about a week ago. The fact that they haven't gotten back to me yet is kind of a signal. Or at least I'm taking it as such that there's something wrong with the board and they haven't yet decided what to do with it yet.
If I was going to buy a DDR mobo today, I'd get the Gigabit 7DXR, the Asus A7M266 or the Epox 8K7A+, in that order. The ECS board with the SiS chipset is too new and some folks have been experiencing probs. Also, the board is brand new on the market and bound to have bugs and issues that will surface soon and get fixed in later iterations of the board.
My two cents.