-- AppleTV rental software postponed: Apple announced the software upgrade that will allow AppleTV to handle movie rentals, along with built-in music store, access to Flickr photostreams and .Mac Web Galleries, has been postponed. It originally was slated for release two weeks after Steve Jobs’ Macworld keynote.

-- mtvU adds 2.6 million subscribers, announces deals with leading distributers: MTV’s 24-hour college network has added 2.6 million subscribers and has deals with Charter Communications (NSDQ: CHTR), Verizon (NYSE: VZ) FiOS TV, Suddenlink Communications, AT&T (NYSE: T) u-Verse and nearly 70 others. Saturday, mtvU will launch in over 700 college communities across the country; currently, it is broadcast to over 750 campuses. (Release.)

--Break Media to cross-promote new sites: In launching new properties and a vertical ad network, men’s video-sharing site Break.com has become Break Media, ClickZ reports. It hopes its new sites, Cage Potato, Holy Taco and Chickipedia will quickly grow through cross-promotion on flagship Break.com. In developing all four sites, the company aims to enhance the appeal of its ad network, which consists of lesser-known sites that have at least 150,000 monthly uniques.