I say partially because I don't know where you live, the type of site or terrain you hunt, or the type of targets you are hunting for.
The MXT is definitely a very able detector to handle most any hunting task, but the 12" coil might be the limiting factor. I have and use the 12" coil that came on my MXT Pro, and have used it before with my standard MXT's. For me, the 12" coil is handy for some beach hunting and for some relic hunting, mainly when working large, open fields or wooded areas. I also use the 12" coil when I am looking for larger-size targets, such a brass railroad locks, etc.
It is my 3rd most used coil. The 950 is my 2nd most used and actually what I grab first at more open areas. I seldom, very seldom, use a DD coil. Instead, my #1 use coil is the 6