Mad Mac,
This is a great post, and easily the best thing in this thread. Please follow up with the Primal Source as well.
I'd suggest making a blog post of this so you can add to it when other sources come out.
XP coming up.
Flattery will get you anywhere. Ok, coming up.
Primal
Primal is the power of spirits, weather, land, tree's and nature. It is the power of the earth itself and all natural living creatures. Primal powers have a theme of endurance and transformation.
Primal classes lean towards defender as a secondary role. All primal classes have more hps and staying power than is normally expected of their role, except the Shaman who comes equipped with a permanent spirit bodyguard.
Primal classes are geared towards the use of light armor and melee weapons. They don't often have Dex or Int as primary stats, but have class features that let them use other stats to boost their AC.
Primal classes tend to use weapons or implements, but not both. Their unique two-handed implement, the totem, enforces this. Unlike Divine characters, a primal Shaman or Druid with a totem will normally carry no weapons except their own powers (or claws)
Primal powers frequently call upon spirts, weather, earth and plants. They are heavily biased towards using powers with the Cold, Lightning, and psychic keywords. (Note that wind, earth and plant are not keywords and usually deal untyped damage)
Primal classes make very little use of teleportation, and use of conjurations is limited primarily to the Shaman's spirit calling. They don't currently have any summoning powers.
Transformation is the other primary theme for primal, and primal classes are loaded with powers that transform and enhance their own body. Druids wildshape, Wardens polymorph, and Barbarians rage, and for all these classes, use of their transformation abilities is essential to unlocking their other class abilities and powers. The Shaman is unique in his use to spirtits to enhance allies instead of his own body.
Primal Powers are called evocations, as they evoke the power of specific primal spirits. The Barbarian Rages by channeling the spirits of assorted magical beasts, while the Warden physically transforms himself into avatars of spirit creatures. The Druid transforms himself into actual beasts, and the Shamans directly calls upon primal spirits to aid him and his allies in battle.