What will you be able to do with the dynamic binding in C# 4.0?

filter.PredicateExpression.Add(QuoteFields.FieldName == someValue)

filter.PredicateExpression.AddEquals("FieldName", someValue)

//C# 3.0 version
compositeType = plugin.CompositeType;
MethodInfo method = compositeType.GetMethod("Compose");
var commands = (List<Command>)method.Invoke(compositeInstance,null);

//C# 4.0 version
dynamic compositeInstance = plugin.CompositeInstance
var commands = (List<Command>)compositeInstance.Compose();

dynamic xml = DynamicXmlParser.Parse("<Customer><Name>Thomas</Name></Customer/>");
Assert.AreEqual("Thomas", xml.Customer.Name);

public dynamic GetResult(dynamic a, dynamic b)
{
   return MyLibrary.Process(a, b);
}

public dynamic Add(dynamic a, dynamic b)
{
   return a + b;
}