24-70 V1 vs V2, to my eyes..

I shoot pro dance and among others, use a 1DMkIV. & 5DMkIII.  I have benn using. 28-70L f2.8.  Just upgraded to the new 24-70L f2.8 II.  It is incredibly sharp.  Hated to spend the extra $, but was worth it.  An incredible lens. You'll be happy