Ive recieved an offer for my set of Aerial 7T speakers of $700.00. Should I accept?

Gentleman seems very knowledgeable and offered me seven hundred for the set of Aerial 7T's (in great shape). I posted recently and given the comments recieved I listed them on Craigslist  for much more. However I expected a ballpark offer like he's made. Simply put with respect to the market is this an offer I should accept? We're both driving an hour and and a half so no shipping costs involved. I'm including the five foot M SERIES cables by Monster. Any thoughts would be appreciated.