USD2500, not very worth it in my opinion and i wouldnt wanna pay the extra 800USD after selling my lens for an upgrade .
http://community.the-digital-pictur...-is-ii-usm-lens-now-has-a-price-2-499-00.aspx
http://community.the-digital-pictur...-is-ii-usm-lens-now-has-a-price-2-499-00.aspx