FlyExpress, for Drosophila development study has received a 4-star (excellent) review in the October 15, 2012, issue of Genetic Engineering & Biotechnology News,  www.Genengnews.com  (page 62).

www.flyexpress.net has “> 100,000 images depicting expression patterns of > 4000 genes” over time.  There are various ways to search this database, including the spatial search feature based on GEMs, Genome Expression Maps.