We will continue to incorporate new and updated vertebrate and selected model invertebrate assemblies to the UCSC Genome Browser. We expect elephant, rabbit, sea hare and updated zebrafish and Tetraodon browsers to be available on our site by early 2010. We anticipate several types of variation data from the 1000 Genomes Project, including SNPs and copy number variants (CNVs) called from pilot project data. [The first round of SNPs submitted by 1000 Genomes in December 2008 is already available in the ‘SNPs (130)’ track.] Further improvements to the UCSC Genes track are planned.