This is the first installmant of a new push to formally announce new packages offered by Bioconductor (whether authored by Biocore members or contributed by the outside community). Over the last week we've had three new packages appear in BioC-devel for the upcoming 1.4 release. More information on all of these packages can be found by going to the "Developmental Packages" section of the Bioconductor website. Package: EBarrays Description: EBarrays provides tools for the analysis of replicated microarray data across multiple conditions. Author: Christina Kendziorski, Michael Newton and Deepayan Sarkar Maintainer: Deepayan Sarkar Package: Icens Description: Many functions for computing the NPMLE for censored and truncated data. Author: R. Gentleman and Alain Vandal . Maintainer: Robert Gentleman Package: rama Description: This package contains functions to estimate the expression levels of each gene of a microarray experiment.Robustness in the estimation is achieved by using an explicite t-distribution. Author: Raphael Gottardo Maintainer: Raphael Gottardo