How many system makeovers to get to where u r now?

Because I have only limited experience, I couldn't say with certainty that what I own is the best out there. But those with plenty of system makeovers can shed some light for us newbies and not so newbies.
How many speakers came and went before you have found the one that satisfies and most likely will stick.
This can apply to amps and preamps as well, and sources for that matter.