Do you have a favorite something in your official list of gear that isn't a drum or cymbal? A microphone maybe? Tactile monitoring system? Sadly, I have nothing to contribute, just curious as to what you guys have that you really like.
The one thing that's made the most difference is the TNR Products Little Booty Shakers on a tom mounted on a stand. I was absolutely floored at the difference in tone and sustain these little guys made.
They are inexpensive - easy to install - road worth and totally one of those set and forget kind of things that doesn't need any attention after you install it.
Bigger sound - better tone - more sustain...I was floored.
Other fun things are:
Drumgees - cool little bungee cords that attach to the rims of a drum so you can hold down something like a splash on a snare for an electronic effect or a shekere on a bass drum or whatever.
Cympads - another inexpensive little upgrade that makes a sonic difference
Snare Weight M1 or M80 - nice little leather snare dampener that looks cool and has magnets to flip off and on the drum (and makes a good dog chew toy when you drop one)
Cherry Hill Drums - Micro Clutch - awesome little brass micro clutch for hats...beautiful and easy to use. They make full size ones too with beautiful wood inserts too.
Gauger Percussion - Flex Tips for floor tom leg isolators- neat little spring floor tom feet.
I have three of these coming in too so I don't have a personal review yet - but I have a couple friends that use these and they love them:
Cymbal Resonance System - kind of like suspension mounting for your cymbals.