It's a big deal if your implementation could match or outperform QEMU TCG ARM->x86. So far none of the other architecture portable dynarec/JIT could even match the performance of TCG x86->x86.
I don't use anything from Apple, but getting the Apple M1 macbook air is enticing simply because of the fastest ARMv8 core to play with. And, the Apple M1 macbook air form-factor is perfectly sweet. I hope the market for Linux ARM laptops similar to Apple M1 macbook air will blossom one day to offer viable alternatives for open-source ARM ecosystem development.
I have always believed in the ARM's simple design advantage if it were given the same clock and thermal budget together with design principles on performance first rather than power efficiency. Apple did it with the M1. When Google and Microsoft follow suit, it would just be a matter of time for the ARM software ecosystem to build up in similar quality and abundance as of x86 long entrenched advantage.