I don't know how to read the other responses, so I will go ahead and respond.
www.nhtsa.gov (National Highway Traffic Safety Admin) will help you find the best seat, they also have a search engine for finding someone to inspect your carseat.
I live on Pope and I called the fire stations in Fayetteville and found one that can do inspections from 10 am to 8 pm to make sure your seat is installed correctly. They are located off yadkin road.
I am a bit of a carseat mommy, I have been installing my own for 10 years and am very good at it. If you need any help drop me an email.