Yeah, great where you can use it. Not good for trashy areas though, as can be expected.
On a typical beach it hits deep and yet is sensitive enough to pick up the small alum. 'tongue,' the tab from the pull tab and bits of broken jewelry. I picked up 1/2 a toe ring, .22 lead (spent) bullet, links from ankle bracelet, small piece of cheap broken jewelry.
Depth indication is on the shallow side. Targets are about 10 - 20% deeper than indicated.
I could not use it in the wet sand on a fresh water beach because of all the trashy targets near the surf line. Worked OK on a lesser used portion of the beach. Of course there was less there to find.
I have a SunRay In Line Probe too and it really gets heavy but I use the probe more for the small stuff that is hard to pinpoint or to find in the dirt/sand. Make sure you mount the coil with the longer portion from the handle mounting ears towards you, not away as you would expect. This helps on the weight distribution.
As Jim says, covers much more ground per sweep. Builds up your arm too. I usually use my right arm. Switched to left arm and could only tolerate it for about 5 - 10 minutes. Tired right arm was still better.
Remember to swing it slower than you may be used to with the standard coil. There is a lot of signal to process for the MXT.