If you want to test PostGIS Raster (included in the next PostGIS 2.0) without installing any software in your computer, take a look at these web-based PostGIS geometry/raster viewers:

Thanks to Regina Obe for this, and all the PostGIS team for the excellent work. I’m working in the GDAL PostGIS Raster driver. So, I hope to have some good news soon.

BTW, if you’re attending FOSS4G 2011 in Denver, don’t miss the talk PostGIS 2.0, the new stuff