My preference is a bit different, but I agree, HD600 is a great pair of headphones for my set of songs/ music that I listen to.
PointMoney
Currently I'm using the Hifiman Arya Organic and enjoying it a lot. Mainly listening to video game soundtrack, anime soundtrack, classical music, JPop, and a little jazz.
For PC gaming I use Beyerdynamic DT 900 Pro X
For portability, Moondrop Variations.
Mainly because I don't use EQ much and I really like to observe different sound signatures as they come originally.
That and I have problems with my collecting habit
Congratulations, and I hope you enjoy it for quite a long time. Yes, and no, the bass is indeed present on that set, but I find it a bit lacking in rumble and depth of the sub bass. But what I find pleasing about them is how clear and intimate the mids are. The treble is smooth, though some would find them "veiled" but I don't find that that is the case, personally. No wonder it is the reference for quality headphones even after decades since it was first released.
Meze 99 classic