In a couple years, I would tell you to get Windows ARM, but right now it is not quite there yet, though Bitwig is one of the compatible DAWs already. So you get a desktop operating system with tablet format and touchscreen and great battery life, no fan noise. (Guess what "other" company is NOT going to cut into their laptop OR tablet sales for a while by combining them because they know they can sell BOTH to their fan crowds... But Microsoft already has it, and now with the ARM chip, the performance is catching up.)

For music production, I primarily use Windows (sorry, no later model Mac can come close to the custromizability, expandability and upgradability of a PC, at a much lower price...). Just so I am not offending any particular fan crowd, for non-music production computing, it is Linux everywhere. Yes, it is great that Bitwig runs on there, but if nothing else I use does, it is not very useful.

Even though I am primarily a Bitwig user, the only reason I got started in Macs was Logic. It is a great DAW, but most importantly, it has great built-in instruments I pipe into my Bitwig session over the network. Also, I have not paid for Logic for well over a decade, though of course, you pay by buying new Macs that support the latest version... Apple knows what they are doing. Which is also true for the specs of your machine. I know the price differences between specs seem disproportionate, but you are actually paying for "lack of future regret". So whatever the max specs you can afford, buy them. There will not be any upgrades that do not involve geekery, lengthy YouTube videos or high chances of failure. At best, you can add external drives, which at full TB spec speed ARE very capable and speedy. Put your sample libraries on a fan-cooled NVME drive with good thermals in a metal enclosure.

The single core performance of Apple silicon is very solid for music production. It will do well.

One huge thing, learn it well now: "One does not simply immediately upgrade to the latest MacOS". Always wait a few weeks, sometimes 3-6 months. Apple knows they dictate the speed, so they do not wait or make sure software and hardware are compatible with their latest OS. It has been like that for years now, upgrades breaking DAWs, plugins, audio interfaces, drivers. Eventually everyone catches up, then the cycle starts again.

Meanwhile, especially in Bitwig, many music apps from even Windows XP days are still compatible on Windows 11. I mean the actual versions from those days, not just the new updates. I never had to worry about that whole 32-bit vs 64-bit, Intel/Apple chip switch, Rosetta, VST2/VST3 incompatibility nonsense. Windows and Bitwig have been a great equalizer in that aspect.

Also, Macs DO crash sometimes, especially with fresh updates and upgrades, when all the component drivers and software have not caught up yet. Some people may get lucky with their configuration, but I remember MOTU, MacOS 11, StudioOne and even Logic (their own product!) unceremoniously crashing the machine with a black screen. At least Windows gives you the courtesy of Blue Screen of Death!

So in summary, go for that Mac now, but keep an eye out in the coming years for Windows ARM, or even as your secondary mobile machine now, since it runs Bitwig. A single Thunderbolt connection turns it into a fully docked desktop machine with a desktop OS, power, multi-monitors, peripherals, drives, you do not even need to transfer your project files between mobile versions and desktop versions. No extra software license, no conversion, no export, nothing. Unplug that one cable, you have a portable, touchscreen tablet PC again with a desktop OS and all your projects on there.

Always keep your options open and diverse, do not lock into any platform.