I still have my Mares Avanti Quattros and would still recommend them for divers who have to deal with a lot of current. Just going to say it, for warm/temperate water diving, the Scubapro Go-Sport is the best fin ever. Just like a Jet Fin but better and half the weight. The one little caveat, if I really lay into them to accelerate quickly, I find the root section just a little soft. And of course Scubapro has now a Gorilla version not yet available in the US for some reason. Against any other fin I have ever used, Mares, Eddy fins, Jets, whatever, they are equal or better even, and they pack well for travel. I am kinda in a downsizing mode but I will keep my Quattros, my wonderful Eddy Fins and one pair of XL Jets and get a blue set of Go-Sports because the ones I now have are boring black, ha! The rest gotta go.