Love
Tactical variety in combat.
Hate
Excessive number of HP for monsters: makes fight last too much.
Tactical variety in combat.
Hate
Excessive number of HP for monsters: makes fight last too much.
Love: The Game
Hate: The Edition Wars
Hate: Divine classes. Everything a cleric or paladin does is a miracle. The paladin never just hits somebody.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.