If you would like to submit reviews, please use the Contact page. If we choose your review to post on the site, we'll gladly reimburse you the cost of the ticket if you would like to mail your reciept. A bit of hassle, I know, but there's not a way around it. Blame the IRS.
As for early screenings, the best way to to get access is talk to a local film critic and see how he does it. If you can figure this out, we can probably issue some sort of press pass to qualify.