I think it depends on your use of the scopes. if you are mostly shooting at the range, I think the 3-15 is the best. I love the 3-15 power range, but out of all the SWFA line the 3-15's reticle choices are my least liked. The SFP reticle is too fine in that model. I bought one and sent it back because of it. The FFP model is ok if you run the scope on higher powers, ie above 9-10x most of the time. so if it range use, get the FFP 3-15 model. The 3-9 isn't bad, the FFP reticle is still useable on low power although I haven't shot one in field conditions on low power. but it looked pretty good on the dreary day I stopped in to SWFA and looked at all of them. I sure wished they made a second focal plane 3-9, probably would buy 3 if they did. I still want to buy one even though FFP is far from my choice on that power range scope.
