Hi,
Your project sounds very interesting and I'd really love to work on it.
As for my experience, you can see for yourself that I've worked here mainly as a content and article writer; but, I've also done some VA work, which included blog posting, forum posting, data processing and entry, etc. For 3 moths I posted comments on a website (topic: how customer reviews on Yelp, Travel Adviser (and similar websites) can influence on your business). At the end there were over 1000 comments, so I believe that I'll be able to perform this task perfectly.
I charge $2.5 per comment, or we can turn this job in hourly paid.
You're welcome to check my reviews and should you have any questions, I'll be happy to answer.
Kindest regards.
Isidora