I hope you get a break from all of the bad luck you've been having! Either that, or there had better be a silver lining to it all!
As for a waterproof/dustproof radio, here are a couple things to take a look at.
This one is advertized in the Aus. desert in an 80:
80 series on the poster
Blue '99 UZJ100 2" Lift, Replicated Outback stackable drawer system, Engle 63 QT, Custom Front Bumper, Gamiviti Shorty roofrack.