I've heard a lot of people say the 4.25" Zone (fka BDS) combo will give you a good base for a very capable 4x4. Seems to me you're talking about decent shocks and springs, that a lot of people are happy with, which is the least expensive and easily replaceable part of the lift/suspension if you upgraded later. You spend your money on all the other undercarriage bits and pieces. I think that's how I'm going to do it for now.