everyone from this forum can post their knowledge about certain builds. for me i can post my tweaker barb:

advantages: teles + runs very fast, high damage and high life, max resists
does well against: smiters, zealots, hammerdins, fury druids, fireclaws, any trapper, martial arts assasins, enchantress', bow zon, hybrid zon, charged strike zon, concentrate barbs, throwing barbs, warcry barbs, light sorceress.

weakness: doesnt tele very fast, weak against some blizz sorceress, bone and psn necros, fast fb sorceress, foher, str barb