Haha, it took me reading through the website many times, and asking questions here as well to figure out exactly what is the difference between all the bcd's out there. I did consider the Scubapro Hydros Pro because it is new and fancy, so I went into the store to try it. It is quite HEAVY! But I was comparing it with the super light Oceanic Biolite (approx. 5.5 lbs), so it was a big difference. And the monoprene material makes it very difficult to pack because it cannot pack flat like a BP/W. It is very bulky.
Did you look at it with the "regular" waist belt removed and the travel waist belt (which comes with it) installed?
With the travel waist belt, it seemed to me like it would pack pretty well and was not especially heavy.