We have the same classes, but I see that our specs are different on mage and lock, so I can't really give much assistance there. My mage is arcane and lock is affliction. Honestly, I think my lock would be better off in destruction as well, but he's getting replaced soon by boomkin so I'm not inclined to mess with him much right now.

For shaman, there's a whole long thread covering a lot of ideas, rotations, and macros in this thread:

Elemental Shaman DPS macro figured out