Reply to Microphone Doubt

Hi so I'm now on San Diego and i get some money for christmas and i rally want a cheap powerfull mic

I have my list of good mics in a notebook that i left back in Guadalajara and I dont really know a lot about mic's

I know the Shure mic's are a good options but what about the model
I want to record some hip hop vocals and so...
Any suggestion to make a little list to buy buy buy tomorrow?