Expander version 5.0 includes the follwoing improvements:
============================================ 

1)	SAM algorithm for gene (probes) filtration.
2)	Matisse algorithm for network-based detection of gene modules.
3)	Interface to the SPIKE software for signaling network-based group analysis.
4)	Location enrichment analysis of gene groups.
5)	miRNA targets enrichment analysis of gene groups.
6)	Partial support for Listeria and Tomato.
7)	An option to automatically download organism-specific data. 


Expander 5.01 update contains the following improvements:
=============================================

1)	Correction to a bug in gene search
2)	Correction to a bug in functional analysis of location GO terms 



Expander 5.02 update contains the following improvements:
=============================================

1) Ability to switch from red-green color scale to yellow-blue color scale in the heat map display
2) Ability to use a bioconductor package as a CDF source (when loading cel files).
3) Ability to use gcrma normalization when loading cel files (instead of the default rma normalization).