What was your first decent set of headphones?
Has to be my Sennheiser HD 650... Prior to that, nothing really 'decent' comparatively (some TOTL gaming headphones, etc.)
How did you enjoy them?
They changed my life!!!
My enjoyment of music leaped, and started to re-appreciate songs all over again.
What sort of rig did you run them through?
As a then gamer, it was on my PC, through an Asus Xonar Essence One & Samson Studio Headamp...
That changed quickly as I got the Yulong Sabre DA8, and the journey started to Audiophilia.
Where are they now?
Still with me. Doubt I'd ever sell them, even after having the Ether C Flow, LCD-4, HD800S, and several different AKG's