Sadly its no more. They were apparently changing servers and for some unknown reason all posts have been lost. This is according to one of the site admins (Kishmu).
Very bad, Chords for so many old gems are lost, I remember a great discussion running for pages with the song "Kaadhal Oviyam" in that Forum
oh my god..just few days back i was searching 'netru illatha matram' from pudiya mugam..which i knew had the chords for only in that website.to my disappointment i saw IKF was missing!.IGT doesnt have the chords sadly for this wonderful gem of a song.!..its a great newz i can check the chords at IKF atleast!