There are a plethora of Socket A boards available that support PC133, but the current best chipsets for PC133 are the Via KT133A and the SiS735, so I would look for a board that has the features you want with one of these two chipsets. The SiS735 is pretty hard to find much selection on, so most go with the ECS K7S5A, but the nice thing about this board is it is compatible with both PC133 and DDR, so you can upgrade later if you want. The KT133A boards don't really have that option, so that is something to conider when making a choice.