Signing up as Connoisseur or Aficionado, which are both premium tiers, will give you everything Free members get, as well as a curated, monthly package of carefully selected vinyl (Connoisseurs get one album and Aficionados get two albums per month).
This package includes a booklet with uniquely crafted information about the albums, ie. about the artist, the label, and background information about the album, and why is has been carefully selected for the Perfectly Deep monthly package.
In addition, you get special discounts on selected hardware brands as well as a significant discount in the Perfectly Deep vinyl webstore.