Man, 3S Sean is terrible. haha
All the weaknesses of the Shotos without any of their benefits. His Shoryu is terrible(you can grab him out of his EX Shoryu), his Tornado Kick can be punished when HIT, his Sean Kick can be seen from like a mile away, his jump is crap, and the basketball would've been okay if it was as quick as the rose. You could probably set up some annoying mixups and mindgames with the Tackle and command roll, but those won't last. His standing MK is okay against counterpoking low attacks, but that's about it.
A shame too, considering all three of his Supers are really good. You can actually hitconfirm cr.MK->Super with Sean more consistently than the other Shotos because of how slow his is.
Fun fact 1:Shoryu Cannon has more priority than Shinshoryuken. Try it out!
Fun fact 2: You can do MP->HK->link Hyper Tornado on Makoto.
smile
As for parrying: block everything first, then once you feel like you have a good grasp of the characters and how they operate, try parrying. It's not hard, just tap forward or down.
Some people may think you don't need it, but in all honesty, you need it. 3rd Strike would be a garbage game without parries(Chun vs Hugo would be more impossible than Vega vs Zangief in ST). You'll eventually learn to parry everything, but then once you get off that high, you'll start going back to basic blocking and throwing in a parry when you can see something slow coming.
Then there're red parries, but for a while the only thing you'll wanna attempt is like the last hit of Chun's SA2 or Makoto's SA2.
Also, remember that if your opponent beats you because of a guess parry, think about what you could've done to not get beat by it. You'll eventually learn to not do any moves when up close. That's the scariest thing to do in 3rd Strike, in my opinion.
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You'd be dumb not to learn how to parry the simple things, though, like the last hit of Chun's super (assuming that it's thrown out without a confirm).
Unless you're using Q.
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