The easiest way (and risk free) way to get into motorcycling is take the motorcycle safety foundations beginner riding class
It is a 3 day class, they provide motorcycles and helmets. Runs anywhere from free-$250, with 90% of locations being under $150. You can find out whether you like motorcycling, or are terrified of it at the class, risk free.
If you end up passing ( which 98% of people do ), you usually will get insurance discounts and maybe even your states liscense.
You can find out more at
Motorcycle Safety Foundation
Also, check out
Beginner Bikes
for first bike suggestions.