First Tom Dickson, CEO of Blendtec has been selling hundreds of thousands of 5-sided Blendtec containers with a 4inch blade for years, professing you need to have the 20 AMP ICB7 blender motor to operate it. Apparently a slight invisible unrecognizable change to the blade has made it possible according to Tom Dickson interview with me last year 2009 Day after Thanksgiving, to run the 5-sided 96oz container with 4 inch blade now on any of the Blendtec household blenders such as the Total Blender and HP3A. Tests resulted in the... read full review »