Nothing wrong with wanting change/improvement to your system. That's something we all suffer from! 😁 The only thing I would say is that for this type of purchase your 'local shop' will not have the models which are currently very popular....such as Topping, SMSL, Loxjie even iFi etc....
That's why I suggested Amazon where you CAN buy these items and try them at home for 30 days. If you are not happy then you can return them without loss.
For comparing speakers or amplifiers however there is no better strategy than visiting your local dealer.👍
Jeff Bezos would endorse this, use Amazon if you are so inclined and then return if you are not happy.