Yeah, unfortunately upgrade-fever is normal for all Audioholics.
In fact, you're not truly an Audioholics unless you have this disease.
You won't be satisfied until you've "been there and done it".
Otherwise, you'll just keep on second guessing yourself.
I just did a quick estimate of the amount of money I've spent in this hobby (speakers & electronics) over the past 20 years. I came up with about $165,000.