Pyrus said:
He "sensed" people doing physical movements for Fusion? That doesn't make sense, no pun intended.
He senses what's going on and it paints a picture for him. If a Z-Fighter senses said events its simply contradictory that he couldn't sense the levels of what he's looking at. Heck, he wouldn't even know what to look for or where to look, considering the Earth is a huge place. Reasoning begs that Vegeta sensed Goku Ssj3 but was blown away from what he sensed, his own predetermined power level for Goku and what was demonstrated during the fight with Kid Boo.
How does someone with no body see what's going on? If you have some way to prove that I'd like some evidence to support it.
From my POV it's simply still 'Vegeta' in control of whatever he was without a body. I've seen no evidence saying one needs a body other-wise they lose all their abilities they had with it. Sensing seems to be more or less a mental action as opposed to a physical one.