Hey ludek, I'm already on an nForce board, it can do 360MHz on stock cooling, but I'm hitting a wall with this cpu at 308MHz.
The RTM875-606 is pin compatible with ICS9LPRS356, I've studied the datasheets, they've even been used interchangeable on a Compal board, so I know that's possible.
http://1drv.ms/1K7oPCZ