While it is true that the hours can sometimes be long, and forced overtime can be inconvenient, the pay and benefits are not bad (you won't get rich, but you'll be ok). If I were you, I'd follow the advice above and do a ride along or get into an explorer program and see for yourself.
There are alot of good things about this job, in my opinion nothing beats it!
"It's snowing still," said Eeyore gloomily. "So it is." "And freezing." "Is it?" "Yes," said Eeyore. "However," he said, brightening up a little, "we haven't had an earthquake lately."
-- A. A. Milne