Some good news for those ghalib fans whose grasp of urdu is not that strong. Check out http://www.smriti.com/urdu/ghalib/ . It has almost 50 of his ghazals including most of his very best with the meanings of all the harder urdu words there. If your appreciation of his ashaar was limited by your urdu, this will take care of that problem!
Also, youtube has several episodes of the late 80's doordarshan serial "Mirza Ghalib" which was a confluence of artistic class never seen before- the life and shayari of mirza ghalib, directed by gulzar, featuring naseeruddin shah and jagjit singh's silken voice!