Thank you for your response.
I was scoffing at the possibility of the calorie burn being that high last night, but I am feeling it today. I was rather surprised how sore I actually am. But it is a good type of sore.
I view most Wii things as an activity as opposed to fitness, but I've learned there are some really good programs out there. And some that will really motivate you to get your body and heart going. And I've found it easier to do the dance games and things like the Exerbeats routines rather than workout videos. In the end as long as I've got my heart pumping, and am not just sitting on my bum, I guess its a win :D