In my current project we’re using NHibernate.Spatial against an SQL Server 2008 DB. This replaces our need to work with the cumbersome ArcSDE when writing and reading data in our applications (while still allowing ArcMap users to view the maps it holds by registering the tables in SDE). This made our life so much lovelier. We now have real domain objects to work with, and absolutely no COM is required to do stuff! Anyway, we’re using the awesome Fluent NHibernate to map all our entities, and in order...