Not too much to say about wax, just dont use soap or crayons like some people do. I find the best wax is parafin wax, it doesnt wear that bad and melts on nice.

Curb Cream

Advantages:

Fast and durable.

Disadvantages:

Hard to get it on the curb, expensive.

Comments:

Curb Cream has been around for a while, it is not bad , expensive, but still good!

Grind Icing

Advantages:

F#*kin fast, durable, lasts long and cheap.

Disadvantages:

None really.

Comments:

I got a free thing of Grind Icing at a local skate park. The kid that makes the stuff knows what he is doin. The wax is super fast on metal and curbs, great stuff!!