I wouldn't say they have corrected the bag problem yet. I have a pack of the Chinese bags with the improved thick collar and supposedly improved filter material. They still leak dust in my machine and are coated with fine dust when removed for disposal.
At any rate, the pre-motor HEPA filter is doing its job keeping the dust in the bag chamber. Is the machine a failure because of this? No, absolutely not. I would appreciate a better bag to get more life out of the HEPA filter, but I am not disappointed in this machine in any way. It is a great design and pleasant to use, and it does not have the slightly fragile feel of my Miele Aquarius (you know, the tool cover), which is my second favorite bagged machine. I have had no early production glitches with it like the Renaissance did, but then again the design and fabrication is four years old in Europe.
We are all partial to certain brands and models, so in full disclosure I have always been an Electrolux man. I may be cutting this machine slack that others would not. There is another brand mentioned on this forum as being a great bagged machine that I wouldn't give two cents for, and I would be ready to point out all faults associated with it. But let me repeat, I do love the Platinum and forgive it its very few shortcomings. Aerus has a real winner that will improve with the years.