You might want to check out Garretts AT Pro (All Terrain) detector.
It beats the old Garrett Scorpion
and probably the MXT. The machine is waterproof up to 10 feet.
http://www.youtube.com/watch?v=HP6vrZLaSyY video
also see details at http://www.kellycodetectors.com/garrett/garrett-atpro.php?gclid=CIOLtofPxaQCFUvrKgodgmgYDA
http://www.garrett.com/at_pro/index.htm
Katz
It beats the old Garrett Scorpion
and probably the MXT. The machine is waterproof up to 10 feet.
http://www.youtube.com/watch?v=HP6vrZLaSyY video
also see details at http://www.kellycodetectors.com/garrett/garrett-atpro.php?gclid=CIOLtofPxaQCFUvrKgodgmgYDA
http://www.garrett.com/at_pro/index.htm
Katz