I have been online since last night - I just shut it down so I could switch over to XP from 98. I was able to log right back in...
I have noticed most of the people downloading from me are using Morpheus ( @MusicCity) so a lot of people have not had a problem all day.
I have also noticed all the people on Zeropaid and at the new Morpheus site @ezboard saying they get a message that their client is old and needs to be updated - but I have not seen that myself