Hi John,
The most I have ever seen in a single form was about 2,400. But the application that had this was Frankenstein's Monster. It shouldn't have been developed that way.
I think Jim's answer was the best -- "More than any sensible person would use".
------------------------------------------------
John Koziol, ex-MVP, ex-MS, ex-FoxTeam. Just call me "X"
"When the going gets weird, the weird turn pro" - Hunter Thompson (Gonzo) RIP 2/19/05