I did my MBA at LETU on ground and would agree that the interaction in class was a tremendous benefit. I have friends taking their MBA online and it seems to depend on the passion of the students in your course as to how much you learn from the material.
I would ask your enrollment counselor for names of people who have completed the online program who would be able to tell you more about their experiences.
Highlight any portion you want: 
Online MBAs are not highly regarded. They may even cost you a promotion if your judgment comes into question.
The value of an MBA comes from in-class communication among students and teachers. This is very difficult to convey on-line.
The only on-line MBA which has world-wide good reputation in the Heriot-Watt MBA.