I've been trying a few, pof being one, but it's worth mentioning that there are some very good free dating sites if your search around for them.
I joined recently and it's a pretty cool site but lacking a lot of ladies in my area.
If you want to actually send an email, you have to pay up.
Or, if you receive an email, you have to pay up to be able to read it.
You're an hour away from Raleigh; do-able if you're willing to travel the distance in the beginning. Anyways, I try POF and for a while and I'm not having no luck.