This week only Steam is offering a $19.99 deal on the entire Guild Wars Trilogy. Considering there is no subscription fee and you get all this content for the same cost as Alganon, this was just too good a deal for me to pass up.
I played the original Guild Wars, but never had picked up the other campaigns. I really liked the early game, but the content toward the end game had just gotten more and more frustrating for us to a point where we couldn't proceed any further as a duo. So we'll see how far we get this go around.