Anyways, now that you've seen all that's available, what's your favorite arc so far?
Tough question. I really like Usopp as a character, because he's weaker than the rest of the team and freaked out about it, but he still wants to do what's right. So as a result, I like the Syrup Village Arc, in which he joins the crew.
There are some great moments late in Arlong Park, where Nami's freaking out and cutting herself and where Luffy screams to her that she's his friend. But I don't love the arc as a whole as much as some others.
Similarly, I really like some things about the Enies Lobby Arc. Specifically, I like the whole thing with Robin pushing the crew away because she feels like everyone close to her gets destroyed. And because I like Usopp, I love the whole deal with Sogeking. (Not that it matters, but his "theme song" cracks me up.)
I didn't love all of the Sabaody arc, but like you, I thought the ending was great. There's been some good stuff since then too, so you've still got stuff to look forward to when you get back to the show. :)
Having caught up, it's an unusual feeling to know that I have to wait from week to week to find out what happens next. But on the other hand, it's nice to know that I don't have to worry about spoilers.