It seems that for now, the only way to use Collusion is through an 'add-on' bar it creates at the bottom of the Firefox window. It is still on V0.x. I still have access to 'Adblock Plus' in the 'Tools' menu, but I also now have Adblock Plus in the new add-on bar. However I use 'Ghostery', not 'Do not Track Plus'. Its interesting to see the tracking network propagate while surfing and monitoring with Collusion, then note how tracking stops dead when you enable anti-tracking such as the two above. It is just a monitoring tool though, but it serves to remind one to take anti-tracking measures.