The #1 most commented-on element from my strategy guide is the section where I explain which skill is associated with which archetype (Warrior, Wizard, Rogue). It might be really nice to present the skill selection screen in three sections, broken up by archetype. The sections could be labeled "Warrior Skills", "Wizard Skills", "Rogue Skills" - and those labels could have help text like the following: Warrior pop-up help text: "Each Warrior Skill you take increases your burliness, caddishness, and stubbornness. Take Warrior skills to increase your health, block better, hit harder, and counter-attack more frequently." Wizard pop-up help text: "Each Wizard Skill you take increases your sagacity, savvy, and stubbornness. Take Wizard skills to increase your mana, Magic Power, and think faster." Rogue pop-up help text: "Each Rogue Skill you take increases your nimbleness, caddishness, and savvy. Take Rogue skills to land more hits, dodge more often, sneak around undetected, and make more critical hits."
I think this is a great idea, or alternatively make them have a border in the skill choosing menu (like blue border for mage, yellow for rogue, red for warrior).