Hey David,
Yes, I'm still dry spraying on my '91. It's still going strong even after 10 years.....I had bought a pumping station 'cause I got tired of paying retail every week to fill one or two bottles. But our local N2O distributor raises his prices virtually every year, so I'm now nearly paying wholesale what I used to pay for retail.
I put my switches in where the ashtray resided. (I prefer stealth.) One switch arms the system, another is for the bottle-valve opener, and the third is for the heating blanket. Most people enjoy the "kick" when I punch it in 3rd gear on the hiway, and I let the passenger arm the system. It's near instantaneous, "Oh my God!" from the passenger.
Jeff