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#21
OK, looks like you've got it fairly well under control re Pro versus Home.
Just shop around. Look at online vendors if you can.
Re virtualization: try to solicit feedback on i5 versus i7, K versus non K, and the necessity of a separate video card. I'm pretty sure anyone will tell you to go with 16 GB RAM for virtual machines.
Best idea is a custom local builder where you can give him a list of parts and he puts it together for maybe $150, but those types of places have become hard to find over the last 10 or 15 years.
Consider making a new thread asking for info on virtualization in another section of these forums.