I have never own a Morris kit. But everything I have been told they are good kits. Currently I am flying a super Wasp. It does everthing real well except knife edge. I have never seen the edge fly, but so far it looks like it is going to be a good one as well. the Sig fazer is a good kit, you can modify it and make is a better kit.
I have owned the Sig Something Extra, modified heavily, It was a great sport plane but it isn't a fun flyer at all.