Fishing was mentioned somewhat indepth in the last episode (#4) of the Blizzcast. Some interesting little bits in there. See the pasted transcript below:
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Drysc: Moving on, we having Fishing. I think in theory it appeals to a lot of players, but do you have any thoughts on the profession and where it could be headed?
Jon LeCraft: Yeah, we’ve definitely had a lot of brainstorming on Fishing lately. And I should also add that I love fishing. I have two 375 Fishing characters...
Drysc: So you’re insane...
Jon LeCraft: ...and I’ve won the tournament multiple times. Yeah, I’m crazy, but I definitely have a lot of love for fishing and want to do a lot of cool things for it. I think the biggest thing right now is going to be the mechanic. It still isn’t… it’s just not that fun, and we really want the act of fishing to be fun. Because the fun part of fishing right now is the, kind of the exploratory part of “Oh, what fish can I here, what weird thing can I catch?”, and we definitely want to continue with that but we don’t want the mechanic to be quite as ... I don’t know, you’re just not very attentative while you’re doing it.
Drysc: Personally I kind of watch a movie while I’m fishing, and I turn the sound up and listen for the little bobber sound, and right click ... it’s not necessarily “fun” but also kind of… I can auto-pilot it a little bit.
Jon LeCraft: Yeah, relaxing but I think more interactive is going to be the way to go. Also something that happened and worked out really well in Burning Crusade is the unique fish that cook into the types of food you can’t get anywhere else. The Golden Darters and the Spicy Crawdads, those really helped keep fishing relevant. We’ll do some more of those, although maybe not to that extreme of a swing.