MGM's "Impact" launched as a VOD offering in partnership with Comcast. The YouTube "Impact" channel will feature a host of clips from classic MGM action films such as "Rocky," "Ronin," "Legally Blonde," and "The Magnificent Seven," in addition to a sampling of action television shows and full-length movies like "Lone Wolf McQuade" and "Bulletproof Monk."--Gavin O'Malley