Couple new "toys". What to do?

[BrianG]

I do plan on making supplies out of them, but you ever try to regulate 50-75A? Talk about lots of transistors! Normally you'd need to parallel several to be able to handle the current required. However, transistors don't parallel well unless you take precautions and even then it's not the best. FETs would be the logical choice for ease of paralleling, but not sure if FETs can be used effectively in this way.