I'm pretty sure the hi-def movies don't vary from 480i to 1080p. Maybe 720p to 1080p, but I'm pretty sure they don't go down to 480. That's SD DVD territory.The dual format player I was referring to is this one http://www.homemediaretailing.com/news/html/breaking_article.cfm?sec_id=2&&article_ID=11043And yes, a PS3 can play every Blu-Ray movie. A PS3 is a Blu-Ray drive after all. Report