>>7564481In terms of places that carry gunpla, there are really only two: Hobbytown USA and Hobbyone Japan.
Hobbytown is ok. I get my paints from them most of the time and they have alright prices on Gunpla, but their selection, particularly of MG's is limited.
Hobbyone Japan is quite far from me but has a massive selection. They have everything set up in sections by series and arranged by number. They have tons of stuff, including non-gundam and non-bandai, but gundam is definitely their bread and butter. The only downside is that they tend to be somewhat overpriced. Its not TOO bad, the cost of getting kits there is roughly the price it would be to buy a kit with shipping; generally a few bucks higher than whatever it is online. Sometimes they do overcharge; For instance a Zoids Dibison cost me 118 bucks, where as japanese websites have it for about 7000 yen (though its not actually available on any of them).
Still a nice place and I keep up with their instagram to check when new stuff comes in.