Every articles/answers I found are dated around or prior 2012. So I'd like to know: is there any tested way to create a new @me.com mail account right now?
Since mobileMe (which handed out the @me.com addresses) was turned off some time ago, all you can now create are @icloud.com emails. If you had an AppleID which predates mobileMe (e.g. a dot Mac account) you would have three aliases:
So the short answer is, no it is not possible to create a new @me.com email address anymore.
More official info on this here: https://support.apple.com/kb/HT201771