We can do reprojection server-side if we have !MapServer available, or Client-side if not.

Client-side will be done via Proj4js.
 * Need to be able to upload .js definition files

!OpenLayers docs:
 * http://trac.openlayers.org/wiki/Documentation/Dev/proj4js

----
[wiki:BluePrintGeographicInformationSystems GIS BluePrints]