Cheiromancer
Adventurer
Hussar said:Where the difference really shows though is in feat selection. A 15 point character doesn't qualify for a large number of feats. A 40 point character can choose pretty much any feat that fits his fancy.
There are also various powers tied to an ability bonus. The amount of healing a paladin does; the number of extra AoOs you can take with Combat reflexes. The number of turnings per day a cleric has (which strongly affects how good the cleric's turning feats are). Stuff like that.
I think it might be possible to sell players on low point-buy characters if it is packaged as a "negative LA". I.e. their 2nd level character gets to take an extra class level in something in exchange for low stats. They probably won't be playing any paladins, though.