Please watch these videos if you are interested in learning the metas for pugs. The 100b is interchangeable with a VoS. They are Narrated which really helps. If you are interested in practicing them you can either join a practice run, and Ally run, or you can ask me or link to show you them first hand. Please watch the videos in whole multiple times before you try them. While trying them I would suggest watching them in windowed mode. Also you might want to watch the videos on youtube instead of the forums because it will be bigger. I would say starting as any of the Main team characters should be pretty easy(other than MT maybe) as long as you watch a video first.
http://www.youtube.com/embed/XpG04jUsaEk
MT A/E
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http://www.youtube.com/embed/PKd2UOsEn4w
100b W/A interchangeable with VoS D/A
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http://www.youtube.com/embed/83Sk7ilgjAM
MoP N/A there are about a million builds for MoP but they barely do anything different.
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http://www.youtube.com/embed/SdFj9kySYXI
SoS EoE Rt/R
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http://www.youtube.com/embed/0Lg_2wn1NJc
UA Mo/any you shouldnt need a video for UA and this build he uses is aweful but I posted it anyway.