I expect you'll be happy with any of the choices you mention above. Personally I'd try the JBL offerings with the professional series based on comments read after lurking for a long time. I haven't heard complaints about the JBL's and I expect the sound quality is a bit better, especially in the top octaves.

Your next step would be to ask Wayne for the plans. When you get them you'll notice they aren't that difficult compared to other designs you could build. Check out the kit prices. They are good.

Grant.