Too early for a review, I'm still doing the six day trial. The audio lessons are good but I'm finding the rest of the site difficult to navigate. That will most likely improve with practice.
My reason for wanting to learn Spanish is that I have a grandaughter who is just six months old. Her Father, my son, will talk to her only in English and her Mother, who is fluent in both languages, will speak only Spanish. People have told me that infants and older people learn languages at about the same rate so I'm going to see how well I can keep up with her. (Of course, already being an English speaker, I'm starting with a significant advantage).