99% and would guess around $5K (new and used) in the current living room system. It sounded better before I downsized (lost a nice SET amp and a good DAC), but it still makes me happy. I do not concern myself with audiophile quality recordings (though don't pass them up either if the music is good) and purchase lots of software (mostly older material) on the used market (how good does one expect a recording from the early 1900's to sound anyway)?. I do not buy just anything and am somewhat selective as this morning I finished sorting and grading an LP collection of 500+ (for a friend to sell opn Ebay) and only found four that we wanted. I left her with all of the Japanese pressings, Living Stereo's, Half speed masters etc., as the music did not interest us. There are so many things beyond my control in our lives lately that it is sometimes a bit overwhelming, but happiness is not one of them and never will be if I can help it.
An unscientific poll: How often are you happy?
What percentage of the time do you just break out in a smile and thoroughly enjoy the music *and* the sound when you fire up your system? 10%? 50%? 99%? (The other times: you hear something wrong, something lacking, needs tweaking, needs upgrading, colorations, distortions, you hear a noise, a tube might be going, not musical enough, can't suspend your disbelief the way you want to, your expectations are disappointed, it doesn't sound like you remember the dealer's system did, doesn't sound like you remember your friend's system did, you made the wrong move with the last upgrade, you doubt the money you recently spent really made a difference, the recording is too flawed, you wonder what it would sound like if you changed this or that, you enjoyed it more in the car, you question whether you've truly got your priorities in perspective, etc...) Give your %, and list the approximate $ investment you have in the system (specify new or used valuation). Mine: happy about 15% of the time, valuation around $17,000 if all bought new. Conclusions - if any - drawn later...