Studios are odd ducks. They'll finance stuff with 'name' stars that turn out to be utter crap (not hard to name a few of those turkeys) yet with something that will pull in a decent, but not humongous, amount of money, they waffle. the thing is that MGM really can't count on SGU to keep the franchise alive. THere is a percentage of fans who only want to watch SG1, or SGA, and will go 'meh' to SGU for whatever reason.