JamoBroGuy
100+ Head-Fier
As others have said, and despite that you have no way to see it now, what you think you want and will enjoy today will be different in 12 months time in terms of sound signature and fit.
I believe you would be far better to buy a couple of much cheaper and carefully chosen IEM with different tuning and fit, experiment with tips to understand their impact, buy another modest set when your observations, experience and learning point you in a certain direction and continue that process and buy something really good when you better understand what works for you.
I have done the sort of thing you are talking about in different ways throughout my life and inevitably it proves to be wrong regardless of how much you thought you knew previously.
You will make mistakes and waste time and money along the way. Listen to what others are telling you and make the wasted time and money as minimal as possible.
There is next to no chance that the Cantor or any other first IEM will be what you expect it to be in terms of sonic enjoyment and functionality in terms of fit and comfort. You might even thoroughly dislike it.
My friend, you'll be fine. You made a fine choice, and you don't need to roll through a bunch of KZ, Kefine, Sennheiser, CVJ, Artti, Penon, ISN, TRN, 7Hz, or anything else to arrive at your best self in reference to audio. Cantor + DCE seem like it'll be a perfect fit for your use case and you've shared your playlist as well, so I'm fairly confident saying I think you'll adore this kit, and I look forward to you sharing your impressions.
My wallet would have loved to follow your experience, as I shared earlier my expenditures were around $4,000 just with the sidegrades and budget IEMs I'd purchased, and was lucky enough to sell for about 50% value (just under that amount, as my final total includes cable sales), and if I would have skipped the advice of "try as many IEMs as possible" that you're getting, and I could have just gone straight to the Cantor and DCE, at less than half what I ended up spending, then I'd be blissfully ignorant in my aural journey, and I'd have more money in the bank (a nod and a wink to @pk4425).
So be excited about your purchase, and rawk that schitt!
Holy crap, my brain is going back and forth hahaha. It's kinda overwhelming (absolutely ZERO offence). I have no clue what to think anymore. I guess I'll just wait for them to arrive and see...I suspect that over time you will find the highlighted part is much less important and much less of a guide to your enjoyment than you currently think it is.
For clarity I did not previously suggest you go through a whole pile of cheap sets, simply make well considered smaller steps initially to determine what you like for yourself not what you think you will like based on what others describe. You will form a baseline for yourself over time and in my opinion that is the time to invest in more expensive equipment.
If you know you like set A and somebody else with set A tells you that you will probably like set B then you have a frame of reference. Somebody telling you that set A sounds like "this" and you only have a loose frame of reference based on something quite different you almost have no useful frame of reference at all.
Also, spend the money on the IEM, that is where the biggest returns are. Folks bang on about source gear, amplifiers etc like they will massively influence the sound, they will not. They might subtly fine tune the sound depending on your IEM but they may make no worthwhile difference. I have been through a bunch of different equipment from over quite a price range and varying brands, power and designs and the common theme is they all sound a great deal more alike than different and none of them will change the IEM into something that it isn't designed and tuned to be. When comparing equipment, if you can't volume match very closely, like 1db absolute maximum variation and ideally less, the perception of differences is not reliable, nor is testing a day later based on memory of the last gear.
Make of this what you want, it is offered in good faith based on my experience and my wasted money to help you avoid wasting yours, I hope it works out for you, I really do.
Thanks for the advice by the way.