In reply to coreybennett:
Parallel sided cracks.
Also quicker to place and clean, fits in with my aid ambitions.
I live in a different part of the world, around me is mostly coarse granite and sandstone (sometimes has more in common with sand than stone, but the weak stuff tends to be bolted).
If everyone here is saying nuts, then that's probably the best option. But...If your partners are already endowed with plenty of nuts, a set of cams may be rather welcome.
I don't think should be an or decision. I think both is best, but I imagine you're constrained by money in which case nuts give you more pro per dollar.
I find climbing gear easy to cost justify, if having a set of X is going to make me hitting the ground less likely, I get it. Medical bills quickly overtake the cost of climbing gear.