Well I checked you list and after checking it twice I have come to the decision I think your post sucks!
From my point of view as a Vac head anyway.

Now I guess you wonder why I have give it a Bob Dwyer thumbs down.
Well from a purely scientific answer from Barry Jones no doubt would have to be, ... wait for it...

 where is the review of the heart of the system The Vac pump? 

Regards Rob