Yes, I did it, and was in for 14 years. What state are you in? Some are great, some are crappy, depends on your state. I was in FL.
Some of the training money comes from the State, and some from the Feds.
I never regretted it, I wish I could've retired. How much you enjoy it depends on the unit and your MOS. Get in a good unit that goes to the field often. Otherwise, it sucks sitting around the armory all weekend.
If you're not in college yet, DO IT! You'll get the money for school, and you'll learn more about yourself than you will anywhere, anyway while you're in Basic and AIT, again depending on your MOS.
Give me more info.