The converse of this oft-experienced scenario is lusting after "this year's model". 9.9 times out of 10, "this year's model" will become the old has-been you can not believe you once lusted over. Krell was once CH Precision. CH Precision will become the next Krell. And on it goes.
The solution is simple-stick with the classics-the audio equivalent of Brooks Brothers/Armani-and unless you have more money than you can burn and no desire to support others, avoid audio-nervosa.
Being a jaded audiophile is not particularly fun but it does provide a sense of secure, confident wisdom.