I want to know what differentiates the different series of Fender basses? Standard, Deluxe, American. etc. What's the difference besides price? I bought a Geddy Lee and a Squier Jazz bass. Both seem kind of lifeless compared to my early MIJ Pbass and the older Fenders I have owned through the years. Thinking of buying a new bass, but I want that sustain and presence that seems to be missing down market. Thoughts?