It may be worth waiting for reviews of the new Equinox and have a third to compare.
I have a MX Sport and it's a more than capable machine but I have never had a Garrett to compare them.
In a couple months I should be able to give a comparison on the Equinox and MX Sport
The Whites MX Sport may be a bit more calm and a tiny bit better on coins but for depth and sensitivity in my opinion the Garrett AT MAX is the champ! The Max in all metal is really deep!