This is an excellent forum. I also suggest you check out the fruit forum, it's also an active forum with lots of experienced fruit growers. The only thing I can comment on is the blueberries, which I grow in containers. Your Top Hat could go in a 5 gallon container, or you could start a litle smaller. The mix is critical. I use pine bark mulch and peat in approx a 3/2 ratio. I use 2 tablespoons of white vinegar per gallon of water when watering, and the soil HAS to be kept moist. Fertilizing is another subject, and there are lots of threads on fertilizing blueberries.

Thanks for the suggestion edweather, I'll start a thread in the fruit forum too.

A five gallon container is about the same as a 12 inch contiainer, right? I think I have a couple plastic planters that size. Would I need to move it up to a bigger container later on or is that as big as it will ever need?

For potting, I was thinking of using this:
http://www.homedepot.com/h_d1/N-5yc1v/R-202288839/h_d2/ProductDisplay?catalogId=10053
with some amendments such as pine needles, coffee grounds, etc. But I could do pine mulch and peat instead if it will make a big difference.