I gave a shot to praetorian cohort that I had with one of my armies on a siege in Egypt... Put them into tower and when they were on thsoe Epic walls... Well, they cleaned up like 4 units of whatever there was upthere, and lost may be 40 guys.. Sh*t! And O looked later on casulties inflicted it was above 600... OMG. If urban cohorts are stronger (didn't try them yet) than I don't want to play against Julii! :O