That's fair. I definitely have done a lot of sample-based and multi-track audio work and again have never hit that limit (on this MBP). However I do agree that

That's fair. I definitely have done a lot of sample-based and multi-track audio work and again have never hit that limit (on this MBP). However I do agree that if you rely on 3rd-party plugins there is a crapshoot every year as to how long you have to wait before compatibility reaches 100% and you can upgrade your system without breaking previous mixes or set ups.