I don't use mlMac anymore to connect to Kazaa, so I haven't noticed.
I use Poisoned for Gnutella, Kazaa etc, and I use mlMac for eDonkey.
I prefer Poisoned's interface, and I hope they support eDonkey soon.
Also, I hope one of these clients picks up support for Opennap!
Ah well, I will just twiddle my thumbs and wait.