>>>What can be done to allow an append, from a large delimited text file, to proceed at optimal speed?
>>>In some environments, my append slows way down.
>>
>>Use Local destination table/cursor w/o indexes
>
>Also you should run your .EXE at client's own HDD, not a server's HDD from client.

I agree with Sergey. The location of the exe won't affect the speed of append from. However, for the same reason that a local exe is better than a remote one, it will be faster to append to a local cursor.