Price is great. Now change your album cover shot to an angle like diamond Honda's. See how his is, the car points directly at the description and just draws your eyes to read it. Your's is a straight on shot and makes you want to go down to the next car.
Summer is a great selling season for a Civic SI. Also, the Used car market has recovered from the economy as well. I would just make sure you are selling your car at a 2% discount to the market.