Originally Posted by Derka
Eh...not so much in the realm of "best ever."
The name that always comes up in seriously revered tones is Ser Arthur Dayne, who wielded Dawn, The Sword of the Morning and was one of Mad King Aerys' Kingsguard.
Jaime AND Barristan both speak of Arthur Dayne with utmost reverence and consider him the finest swordsman they'd ever seen.
martin also said that selmy could possibly win if he had a comprable sword to dawn, or dayne was using a regular sword. kind of tells you how badass selmy is too.