I draw 30" and have a 60" SAII and a 62" MAIII. The length of the "working" limb is different between the two models with the SA have a longer working limb and shorter riser and the MA a shorter working limb with a longer riser. For me the MA is smoother and more comfortable to shoot at a longer length. I had a 62" SA which I sold because it was too long for me, from a treestand when shooting at steeper angles the lower part of the string would bump against my torso. The MA in 62" doesn't. If you want a longer bow go PMA, shorter PSA. Most of the posts above mention more mass weight with the PMA. My MA is a 1997 model without phenolic so it's lighter than the SA I have.