Tools for library management?

[thumb5]

Thanks to this thread I discovered Yate and Metadatics. Until now I did all metadata editing in iTunes, but their editing interface continues declining. Many things don't work as they should. Now I got trial copies of Yate and Metadatics but find both GUIs a bit complicated and not extremely well organized. Nevertheless I'll probably stay with one of them. 

Which of the two do you recommend in terms of stability and iTunes integration? Thanks.

I've found Yate to be stable although I agree that the UI is a bit busy.  But if you think Yate's UI is complicated, take a look at Jaikoz!

Another one I've played with, which works nicely in a no-frills kind of way, is Tag (7-day trial available, $5 to buy).  That's probably about the simplest UI I've seen.  As far as I know it doesn't have any particular integration with iTunes, though.