Minelab Gold Monster 2000, Manticore, Nokta Legend 2, Magnetar 9000, XP Deus 2, FTP Tek Point, Nokta Accupoint, Gold Hog River Sluices and Flow Pan, Royal Mini High Banker.
Also, just using the Icon/Icon X in pinpoint mode without an Mi6, using the onboard pinpoint function paired with XP headphones or back phones can create dangerous volume levels on shallower coin sized targets. Be careful.
I don't mess with the MI6 and XP units anymore. The ORX had an issue locking up as well with the MI6. Once I realized that I never paired them anymore.