I am thinking of playing a caster type. A warlock or a wiz. Which is the best for say damage and versatility. Anyone played both and can help me with this. So really what i am saying which is best warlock or wiz at 1st lev i suppose
Warlocks are a lot better for damage and are pretty darn versatile. Wizards are versatile out of combat but very specialized within combat.
Cantrips are really really strong especially if you are creative, and wizards, especially at later levels are one of the few things that will turn a big and dangerous fight into something of a cakewalk.
The best way to think of it is think of it in relation to the complexity of a fight. The more components a fight has(different monster types with different abilties in varying terrain) the better a wizard becomes, because its easier for him to isolate parts of the fight to be dealt with later and create obstructions that friendlies can use to punish enemies.
The simpler a fight is(the less varying terrain, less monster types, more clumpy monsters) the weaker the wizard is.
A warlock, being a striker, is going to be about equally valuable the entire way through. Damage is always needed no matter what type of fight and the warlock provides and adds nice status effects as well.
So it really then depends, are you a blaster(wizards can blast too, but i don't think its as effective), or are you a manipulator?