>>Use Orders.OrderDate IS NULL to make it SQL Server compatible :)
>>
>>>

SELECT Customer.CustomerID, Customer.CustName, Orders.OrderID, ;
>>>			Orders.OrderDate, Orders.Destination ;
>>>	FROM Customer ;
>>>		LEFT OUTER JOIN orders ON Orders.CustomerID = Customer.CustomerID ;
>>>	WHERE ISNULL(OrderDate) OR OrderDate = ( SELECT MAX(OrderDate) FROM Orders Recent WHERE Recent.CustomerID = Orders.CustomerID) 
>>>

>>>
>>>
>VFP changed it to IS NULL anyways. Unfortunately, I'd previously tried OR IS NULL, and VFP 8.1 comes back with "SQL expression is too complex" Error 1845. Using Sys(3055, 2040) still returns the error.

SELECT Customer.CustomerID, Customer.CustName, Orders.OrderID, ;
		Orders.OrderDate, Orders.Destination ;
	FROM Customer ;
		INNER JOIN orders ON Orders.CustomerID = Customer.CustomerID ;
	WHERE OrderDate = ( SELECT MAX(OrderDate) FROM Orders Recent WHERE Recent.CustomerID = Orders.CustomerID) 
UNION
SELECT Customer.CustomerID, Customer.CustName, Orders.OrderID, ;
		Orders.OrderDate, Orders.Destination ;
	FROM Customer ;
		LEFT JOIN orders ON Orders.CustomerID = Customer.CustomerID  where orders.OrderID IS NULL

OR

SELECT Customer.CustomerID, Customer.CustName, Orders.OrderID, ;
		Orders.OrderDate, Orders.Destination ;
	FROM Customer ;
		INNER JOIN orders ON Orders.CustomerID = Customer.CustomerID ;
	AND OrderDate = ( SELECT MAX(OrderDate) FROM Orders Recent WHERE Recent.CustomerID = Orders.CustomerID)