How do I transfer a lot of songs to iTunes without making duplicates?

[KrisKT]

I want to transfer a couple of hundred songs from one computer's iTunes library to one of my older computers (I am turning it in a jukebox basically) without making a bunch of duplicates. I looked at the date modified but for some reason 90% of the folders say I modified them on 4/30. I don't want to copy over the whole iTunes library because I have different playlists and content on each computer.

Is there a way? Or at least if I add to library the whole thing, how can I batch delete duplicates. If you click on show duplicates, I would need to delete every other song and I don't want to manually go through the whole the big list. Does this even make sense? Ha!

Thanks...

[blusubaru]

Drag into iTunes, show duplicates, sort by date added descending. That will give you everything that's a duplicate that was added today. If you don't have the date added column visible, go to the View menu and select View Options. Then check the box for Date Added.