Oly lifting links. These are some very good articles about oly lifting.
Click on the products tabs and scroll to the bottom for the articles. The "Sportivny Press" and the others.
Dynamic Fitness
Also check out the products. Look at the bar sets.
One of the big differences bewtween pwr lifting bars, and oly bars is that oly bars are designed to flex and provide a spring like effect at the top of the pull.