Trial Offer: Rent three DVDs free for 14 days when you join the Dirty DVD Rentals club. Monthly fee: $23.07 to rent up to three DVDs at a time. Relative size of selection: 3 of 4 stars. DVDs ship from: Ontario. Shipping costs: Included (site provides pre-paid mailers to return DVDs). Credit cards accepted: Visa, Mastercard. Sales tax: GST. Privacy policy: Does not sell or rent customer data to third parties without permission. Customer service: Email. Open to: Residents of Canada.

Download Movies Instead of Renting: If you prefer to watch movies instantly on your computer rather than waiting for a DVD to arrive by mail, visit Adult VOD Pod to compare services. VOD stands for video-on-demand. Purchase credits to view DVD-quality adult movies online or play a flat fee (typically U.S. $4.95 to $14.95) to download movies that can be viewed for a set period of time (e.g., 24 hours, a week, 30 days). Some sites, such as VideosZ, charge U.S. $29.95 per month for unlimited downloads. Others, such as Hot Movies, sell access by the minute or per download.

Video Gold Adult DVD Club: Choose two adult DVDs for U.S. $5.95 each plus shipping when you join the Video Gold Adult DVD Club from Adam & Eve. You'll also be able to choose a third adult DVD free. As a member, you must purchase two more DVDs at regular club prices within a year. Or purchase a fourth DVD when you sign up for U.S. $19.95 and buy just one additional DVD within a year. Open to: Residents of the U.S. and Canada.

Amazon Deals: Get free shipping at Amazon Canada when you buy $39 or more worth of books, CDs, DVDs and/or videos. It sells several adult video guides, including The Adult Video News Guide to the 500 Greatest Adult Videos of All Time.