Liferay and uPortal Comparison

I loved publishing comparison among portals and on this website I found another one. Here is the comparison, this time between Liferay Enterprise Portal and uPortal -
Liferay vs. uPortal

Also here there is a very good comparison among all popular open source portals i.e. Sakai, uPortal, GridSphere, eXo, Liferay, and Stringbeans.