The first .hack//sign album is one of my favourites.
Listened to all of it, and it's okay, but nowhere near Kanno standard imo. I'll need to listen to it a couple more times though. Stand out tracks for me are 'Valley of Mist' and 'Fear'.
Don't forget Macross Plus.
I'm 'acquiring' it. ;)
Edit: I actually own Macross Plus the Ultimate Edition, so I really don't why I never got the soundtrack before. After listening to all of them now, I have to say they are completely awesome. Stand out tracks for me are MYUNG Theme, Voices, Idol Talk, Go Ri A Te, and my favourite is definately Pulse.
http://www.youtube.com/watch?v=thdb0hDjcrA)