Grado - SR80x

I'm with you on the comfort and EQ actually. I can wear my 900s for hours, they are extremely comfortable. It's amazing what a difference a little adjustments to the EQ can do. I bought a pair of Audio-Technica m50x-BT2 for on the go. They have a parametric EQ. I asked ChatGPT to give me settings for it that would make them sound like my Grados but with bass. They don't sound exact, but they sound good. As far as my actual Grado SR80x goes, I bought the sheepskin pads for them which really brought out the bass, but I lost that musicality they are known for, so again, EQ saved them. Now I have extremely comfortable Grados with bass. Again, not sure if I'll reach an end game per say (I like the way you frame it though), all I know is I'm having fun and that's what matters.

If you're looking for decent wireless noise cancelling in that price category you can always grab a pair of Soundcore Q30 (or 35 if you can get them used/on sale) For plain old wired headphones in the $30-40 range you can always snag the Koss Porta Pros, or the KPH30i. They sound much better than you'd expect, especially if you swap out the pads. Moving up the price range you'll find things like the Audio Technica ATH-M50x (Wired or Wireless), Grado SR60/80 (Wired), Beyer Dynamics DT770 (Wired). These all sound different, ATH being more bass, Grado lots of Treble, and Beyers are flat. If you like thumpy headphones you can absolutely enjoy Skullcandy Crushers, or Marley over ears. The latter have a pretty solid build quality whereas the other are more affordable. Everyone has a preference, so just enjoy what sounds good to you. I would probably shy away from unreviewed no name headphones like those you linked, though!

I have yet to find anything better than my slightly modded Grado S80's :-)

That’s why you need AT LEAST 10 sets of headphones! The only over/on eras I can wear individually are my 25 year old Grados. The only thing that prevents me from gluing AirPods Pro permanently to my head is battery life.

I've got a pair of Grado SR80x and it's almost like having nothing on my head at all. The THICCCCCC cable on the other hand

The nyczaj pads on those grado x drivers make them so good

Im an audio guy and after many years of optimizing playback solutions imo there are two very clear answers: Sennheiser 6XX for full size, and Etymotic ER2XR for IEMs.  The sennies can be found new for around 200 and the Etymotics are around 130 new. I found them uncomfortable and the cables are definitely microphonic but you can get aftermarket tips. For pure $/sound i think they are the strongest I've ever personally heard.  Another outside option is Grado SRs, for under 100 I love the sound. Build quality and comfort is meh but they look cool and sound excellent. They aren't a great match for every genre though, read up if interested. 

A long time ago Jacquire King mixed a song I produced.  We were in his room which was probably so acoustically accurate that I couldn’t figure out how the bass was sitting.  He offered me some Grados to try and they immediately made sense to me.  I’ve used them ever since.  Even the $99 SR60s are accurate and easy to listen to.  They are open so they’re not great for tracking but I always have a pair around when I need to hear what’s going on.  There’s lots of great options out there but for neutral cans that will show you where you’ve got issues I always recommend Grados.  To be fair the lower end sr60 and 80 aren’t going to punch much below 50hz but the rest of the spectrum will be both accurate and pleasing.  

Beyerdynamic DT-880. Mine is 250 ohm impedance so I put it through a headphone amp. But it has lasted over 14 years for me at this point and I've been able to mix bass a lot better than I used to with the Grado SR-80i I had before. Not only does it have clear bass, it also has been comfortable, with a well defined stereo field.

For rock music, there is nothing else like grado, try to find a secondhand one to fit your budget better, but you really need to try it on your own at least once before buying anything else. It's open back, which mean it will leak sound everywhere and much more suitable for home usage. It also doesn't sound that good for most other genre, but man they do the meanest guitar shred I've ever heard