John Hollinger's PER, which is one of the more complicated rating systems based on estimates, with pace factor and league averages factored in, or APER, which is a simplified version using actual unassisted and assisted field goals, instead of estimates. APER also includes APER also includes charges
This link rates players by APER. LeBron still leads easily. But with APER, outliers such as Nash, Melo, and Ginoboli enter the discussion for top 10 efficient players
Which do you prefer?