That's fantastic! I hope I was clear in my original post saying that any exercise is good exercise, even cardio (to a point). But people get SO hung up on the number on the scale. If you're measuring fitness, the number on the scale isn't anywhere near as important as body composition. There's a widespread belief that just doing lots of cardio is going to get you "in shape". Again, exercise is good. However, people who do lots of cardio and no weight training, especially when combined with a restrictive diet, become what is known as "skinny fat". You may like the look in the mirror, fit into a certain size clothes, or like the number on the scale but you'll still have a very unhealthy body mass index. I'm not implying that everyone needs to hit the gym every day and bench press 300lbs while grunting as loud as they can (that drives me nuts by the way). Not in the least. The amount/type/frequency of the weight training would be defined by your goals.
Again, I can't be more clear in saying I think it's great if you're being active, even walking. It's so much better than doing nothing. But IMO truly being fit can't happen by just doing a 4mph walk on a treadmill.
On that note, I always
every time I see one of those ads on TV for the lastest cardio machine where the model using it is shredded with muscle. It's such false advertising, it's sad.