Perhaps you have wondered about taking an RV vacation. It seems like fun and you'd like to try it, but you aren't sure if it's for you. Well, it's a growing industry. Annual RV retail sales topped $14 billion in 2004. As baby boomers take to the road, the RVing pastime and lifestyle are becoming increasingly popular. If you have a hint of the RV itch, then here are 10 common reasons for taking an RV vacation: