Saix could be second or third strongest out of all the members, take note he also was Xemnas' best, say, "companion" in a non-yaoi way. :]
Saix has a reason for that.
After Saix would be Roxas, imo. Then would be Xaldin and Xigbar, Marluxia, Laxeaus, Axel, Larxene,Vexen, Zexion, Luxord, and Demyx.
Or who knows? Maybe Demyx is stronger than Luxord. Luxord just flicks few cards and they do the work for him. He has a bit of strategy, but is quite weak imo.
RisingDawnStar;
My sitty bb is just amazing as that.
/slapped