I just got this and it will prove handy for doing group portrait shots on my workshops where I want to be in them and for triggering the camera on multiple exposure HDR shots without worrying about camera shake.
No one makes radio slaves like Pocket Wizard and they keep getting better. These Plus IIIs use 32 channels and are the industry standard to the point where flash manufacturers use Pocket Wizard technology in their packs and monoblocks.
The way I see it, my images are worth more than my cameras, so I protect my CF and SD cards with the best airtight and waterproof containers I could find. Been using these for years and they are still like new.