His name is Timothy Lethbridge, not Robert Lethbridge. He's a good professor, I have had him for a few courses, he's one of the better teachers in OU Engineering.
I'm actually a graduate from OU Software Engineering. It's a very new program so they are still improving it little by little. Course load is heavier than Computer Science. Other than its own software engineering courses, you also take a lot of computer science courses and some Computer/Electrical Engineering courses. I don't know anything about Carleton's Computer Engineering, so it's your choice.