Ok. I bought my Provari a year ago. In October 2012. And trust me when I said it has gone through hell. Dropped on tarmac, concrete, marble, water puddle etc.
I always leave it standing on my working desk, so I'll probably hit it by accident about 3 times a day. Sometimes it'll fall off the desk and onto the floor.
I've never done any maintainence on this thing. No Iso alcohol rinsing. Absolutely no cleaning of internal parts. The only place I clean is the connectors, and again, no alcohol used. I just wipe it with a tissue.
Have used it everyday without fail since day one.
This bugger is still working perfectly for me.
For electronic mods, the Provari is a freaking commando.
And frankly, I got lost touch with all the new mods out there because there's no need for me to look for any alternatives.
But I'm looking now since I'm planning to head back into the mechs.