We've confirmed with the SQL Server spatial team that these assemblies are bin deployable. This post has more details - http://alastaira.wordpress.com/2011/08/19/spatial-applications-in-windows-azure-redux-including-denali/.
Either our team or the spatial team could provide a NuGet package to make it easier to deploy these assemblies to machines that don't have spatial installed.
Either our team or the spatial team could provide a NuGet package to make it easier to deploy these assemblies to machines that don't have spatial installed.