For those unfamiliar with the service, VUDU offers "more than 4,000 HD movies," which VUDU claims makes it the "world's largest HD library." The subscription-free service gives members access to on-demand rentals and purchases, in SD or the costlier "HDX" format -- 1080p HD with Dolby Digital Plus 5.1 surround sound. Prices are comparable to PSN's native video store, but thrifty PS3 owners will want to comparison shop. For example, VUDU's "$2 for 2 nights" rental specials generally undercut Sony's offerings, whereas PSN's "Deal of the Week" specials usually best VUDU's prices.
To encourage newcomers to try out the service, VUDU is offering a free $5.99 credit to new registrants, "enabling them to watch their first HD movie on the service for free.