Check for unicode within an ntext

Hey all,
I've got to check an ntext column if it actually does contain unicode characters or not. I would prefer to not have to iterate through every character in each column, is there a simple way to do this in sql server 2000?
Cheers,
-KilkaCAST or CONVERT it to text, and monitor for errors.|||That's a great idea, thanks Blindman.

Cheers,
-Kilka