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Consider jumping in and re-building the carburetor. It is not that hard of a thing to do. Get Les Andrews Volume #1 book to use as a guide. (If you own an A you should own this book)
Buy a one gallon can / carburetor cleaning kit from your local automotive store to use for soaking and cleaning it.
I would also get the pencil filter that sticks up into the tank. This will help with keeping the crud out of your re-built carburetor.
To paint your carburetor use the fuel proof spray can paint available from Hobby Town.
Just my two cents worth.
Enjoy the heck out of the car.
I'm going out to look at a 1930 Tudor tomorrow with a new club member. I hope that we get as lucky as you in finding him a good car to start with.