All of the reasons why you think he was the shit in the '97 Rumble are the reasons why I think he's the GOAT. He's like this in pretty much every match. He's just unnaturally awesome.
With that said, 2001 Rumble would be my pick.
I wouldnt go that far. Austin isnt anywhere near my top 3 that includes Hogan & Flair.
Worst Rumble for the early 1990s Id say 1993. While it opened the show with a cracking tag team match I was less than impressed with Jannetty not winning the belt and while Bigelow/Bossman was something they should have stuck on Raw alough it did redeem itself with Bret/Razor the show all round sucked once they decided Yokozuna was winning the thing. Surely out of all the guys who they had in the rumble you mean to tell me out of everyone who wrestled there Yokozuna was the pick?
Randy Savage was a better choice and while they tried to push the big undefeated sumo guy who I thought was a horrible champion.