Has anyone used this hydro system?

Im looking for input on this hydro system.
Its a drip feed setup, has a 200L reservoir,
5x 19L pots (4.7gal roughly).
Basically i want to know if its worth buying or if its a waste of money,
How often would a res this size last between top ups?
How big could the 5 plants potentially get with something like this?
The dimensions are 1m x 1m x 20cm
And would go in a 1.2m x 1.2m tent (4 x 4)

Heres the link
http://m.ebay.com.au/itm/111443672251

Thanks

How much is the au $ dollar lol?

Tbh, you could build it for less but it looks ok :-/

Me personally, no