Had to delete the dll and the config file on the server to get the site back up and running.

Here is some info from the logs - not getting a RTE - just a hanging site:

2014-03-17 10:10:52,109 [29] INFO  Umbraco.Core.PluginManager - [Thread 6] Completed resolution of types of Umbraco.Core.Persistence.Mappers.BaseMapper, found 20 (took 13ms)
2014-03-17 10:10:54,156 [10] INFO  Umbraco.Core.Persistence.UmbracoDatabase - [Thread 28]    at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning()
   at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
   at System.Data.SqlClient.SqlDataReader.HasMoreRows()
   at System.Data.SqlClient.SqlDataReader.ReadInternal(Boolean setTimeout)
   at Umbraco.Core.Persistence.Database.<Query>d__1c`1.MoveNext()
2014-03-17 10:11:20,437 [29] INFO  Umbraco.Core.Persistence.UmbracoDatabase - [Thread 26]    at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning()
   at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
   at System.Data.SqlClient.SqlDataReader.HasMoreRows()
   at System.Data.SqlClient.SqlDataReader.ReadInternal(Boolean setTimeout)
   at Umbraco.Core.Persistence.Database.<Query>d__1c`1.MoveNext()
2014-03-17 10:11:24,859 [10] ERROR umbraco.DataLayer.SqlHelper`1[[System.Data.SqlClient.SqlParameter, System.Data, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]] - [Thread 11] Error executing query delete from umbracoLog where datestamp < @oldestPermittedLogEntry and logHeader in ('open','system')
System.Data.SqlClient.SqlException (0x80131904): The conversion of a nvarchar data type to a datetime data type resulted in an out-of-range value.
The statement has been terminated.
   at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning()
   at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
   at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString)
   at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async)
   at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result)
   at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe)
   at System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
   at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteNonQuery(String connectionString, CommandType commandType, String commandText, SqlParameter[] commandParameters)
   at umbraco.DataLayer.SqlHelper`1.ExecuteNonQuery(String commandText, IParameter[] parameters)
2014-03-17 10:11:24,937 [10] INFO  Umbraco.Core.UmbracoApplicationBase - [Thread 11] Application shutdown. Reason: BinDirChangeOrDirectoryRename
2014-03-17 10:12:20,392 [29] INFO  Umbraco.Core.Persistence.UmbracoDatabase - [Thread 1]    at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning()
   at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
   at System.Data.SqlClient.SqlDataReader.HasMoreRows()
   at System.Data.SqlClient.SqlDataReader.ReadInternal(Boolean setTimeout)
   at Umbraco.Core.Persistence.Database.<Query>d__1c`1.MoveNext()