The Impact looks like it's a great machine. I've love to get a side by side comparison with the Rutus Alter. Both look great. But I don't know if they'd compliment each other or if having one would make the other redundant.
Impact since it currently has offerings of different sized coils, can be used more successfully in more varied type sites.
Rutus would be more restricted here since only limited coil options available.
I do use Rutus with 11" dd coil,,and take Impact along with smallest coil.
Good little duo here.
Some times the Deus get put in with the team too.
I try to take detectors with already installed coils to give me a wide range of detecting potential.
And make adjustments with detector/coil selection based on condition of sites.