HALIFAX - EastLink announced this morning it is adding 12 new high definition television channels to its roster.While half of the channels are only available in select areas (details at eastlink.ca) the list of new channels are: * The four High Fidelity HDTV channels of Oasis HD, Equator HD, Rush HD and Treasure HD. * Discovery HD * HDNet * Fox West: HD Equivalent to Fox West * NBC West: HD Equivalent to NBC West * ABC West: HD Equivalent to ABC West * CBS West: HD Equivalent to CBS West EastLink will also launch Speed HD and an HD...