I dont know much about the NORD LEADs because I don't own one myself.
But there are a few guys that hang around this site that do.

By the way I find that I'm also forced to bounce in between OS9 and OSX. Mostly because of some soft synths that have not been updated for OSX yet.
ED
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A gentleman is one who never hurts anyone's feelings unintentionally.
- - - Oscar Wilde