Mammut Realization climbing shorts. Not quite available yet (as of May 2012). I wonder how many of these I'll see around the local crags.
The PowerPot. Don't own it (yet), but I like the idea of it.
Petzl Microcender. I use this as my primary self belay device when solo toproping.
ATC-XP Belay/Rappel Device
Pinch Grip Workout: Just made a variation of this @ home. Mine is 1 1/2" inches wide so I can work a single digit + thumb