I got this info from http://www.bargainist.com/
Blockbuster Online - Free TotalAccess one-month trial
Blockbuster Online is offering a free one-month trial of TotalAccess with coupon code FREETRIAL0618M at checkout. When the trial is over, if you decide to stick with it, the monthly fee is $17.99 per month. You'll then receive four free in-store rentals a month, and be allowed to return the mailed DVDs to any Blockbuster store and exchange them for in-store rentals. Expiration unknown.
It is pretty cool if you want to catch up on lots of movies/tv shows. I just did a free month and it worked great. They sent me 3 movies really fast, then after I finished with those I took them to the blockbuster store and got 3 more movies immediately. By the time you finish those, 3 more movies are already in your mailbox...neat deal.