Early Bird Gets Most Buffed?
Weight Training shares with the Cardio, is the need for fast carbs (sugar!) immediately after the training. Remember - after a workout, your muscles are in a state of catabolism, and the only thing to save them from getting cannibalized is to feed the body something else to eat instead of your own muscles. And it has to be fast!
Wrapping it all up
Simply put, there is no right or wrong here. If you can handle morning weight training, more power to you. I can't touch the weights until noon or so, simply because I don't feel like I've had time to store up enough energy to get a productive workout. I know others who feel "burnt out" after work, and would never be able to work out anytime BUT in the morning!
One thing I'd like to point out though, is that it is close to impossible to combine the two kinds of morning training in one session, with good results. If you do the "cardio breakfast", you'll burn fat alright, but when you try to hit the weights you'll not be as strong as you could be, while sacrificing muscle mass for no reason. Likewise, a "weight training breakfast" will make the weight training part work fine, but when you step onto the treadmill (or whatever), you will burn mostly carbs (in your bloodstream), and very little bodyfat. In addition, by eating carbs, you'll probably have triggered a release of Insulin, which in turn seriously hampers your ability to burn fat for hours afterwards.
Conclusion: Pick one, don't mix it up. Designate different days to different types of morning training.
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