Upgrading components one at a time is a good philosophy, but you won't recognize transformative sound all at once; one component will not fix all ills. Just make sure that you don't limit future purchases with an inferior purchase, save the money if you can't yet afford what you want......don't be impatient. That would have saved me a few thousands of dollars along the way.
Go to a great audio show would be my first recommendation; Axpona, Capital Audiofest, Rocky Mountain, Pacific Audiofest, Southwest Audio Show. You'll get to hear hundreds of pieces of gear, get to talk to some great folks, and get a lot of questions answered....most everyone (not all) want to be helpful
If not, then find some dealers with products you are looking for.