The
SG probably won't work on your Accord, but if you can hold a soldering iron, you can make yourself an
MPGuino that will give you instant/average fuel consumption.
The toys sound fun. The RZ350 was the first motorcycle I ever rode (up and down the street, once).
I had a Ninja 250 for a couple of years, but sold it.
Congratulations on de-lurking. Welcome to EM!