National Library of Australia newspapers service has announced that the first digitised issues of the Sydney Morning Herald are now available commencing with the the first issue in 1831. The first 20 years (18,000 pages) are available: Sydney Herald 1831-1842, Sydney Morning Herald 1842-1852. Issues from 1852 - 1954 will be made available each week to early 2010.
Issues of the Melbourne Argus are also now completed and available from 1846 - 1945.