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Im about to start the weathering process any suggestions and help with what kind of airbrush to purchase and such since im going to the hobby shop tomorrow.
You'll want a Double Action airbrush.
I recommend a Badger Anthem 155 (bottom feed) or the Badger Patriot 105 (top feed) as good quality airbrushes at a reasonable price.
Here is a good article explaining how airbrushes works and reviews on a few models. https://sites.google.com/site/donsairbrushtips/home
This is well worth the read if you don't have any experience with airbrushes.
I would encourage you to check out the com art colors at the Iwata-medea website The com art colors are really nice. I started playing with them this morning.
I looked at their airbrushes yesterday and they look very nice. If I didn't already have a paasche, I would have gotten one. If you go to utube, you will find videos on airbrush techniques without looking hard. I have the same airbrush as Michael. He is right about the Bragdon powders. It takes a lot of tricks.