Opens new iTerm window and connects to an array of servers each in their own tab

launch_boxes

(* set to the user of the box, ie "root" or "deployer" *)
set box_user to "user"
(* Add the hostnames or IP's of the boxes to connect to. As many as you need. *)
set my_boxes to {"box1", "box2", "box3"}

tell application "iTerm"
	activate
	set t to (make new terminal)
	tell t
		(* Loop over the boxes, create a new tab and connect. *)
		repeat with box in my_boxes
			activate current session
			launch session "Default Session"
			tell the last session
				set conn to "ssh " & box_user & "@" & box
				write text conn
			end tell
		end repeat
	end tell
end tell