Those cordless machines look quite good. I'm one of those is not bothered by the lack of 'digital motor' I got the Dyson DC16 back in Dec 2006 and didn't have a digital motor and till this day do not notice the little 'heat' it generates.
I purchased a V6 Absolute 2 months ago, whilst I love its powerful performance, it hasn't proven durable for me. The top of the wand came away and I needed a new one and now there is a tiny crack in the back of the handle near the charge port. I guess its cracked from my firm grip on the handle - The new V8 doesn't have this rear handle cover that is very thin. I see a review on Amazon pointing out to a crack and breakage in the same area on a V6 machine. I hate the creaking sounds from the machine and have written to Dyson to give them my feedback and I dislike the feel that something is going to break. Its designed so that the wand can be lifted upwards to dust up high, I have a concern the top of my wand is going to come away again. I saw on Dysons Faceook page that someone else had the same issue a few days ago.
I hope Vax and Hoover are honest with their runtime claims, as I'm a little disappointed by the 14 mins run time of the V6 Absolute with the motorised head attached. It said 16 mins in smaller print when I purchased it and I asked Dyson and was told 16 minutes, but in the manual it says 14 mins and then I see on their UK website it changed to 14 mins. Have to be super quick to clean the apartment before the battery runs out! A lot of mentioning 20 minutes run time, but in reality if using as a floor cleaner, it no where near. V8 is better at 25 mins - I like how Dyson are crafty and say 'upto 40 mins runtime'. Very clever of them.
The V6 Absolute that I have is quieter than the standard V6 machine, I never knew this until I tried out the two in Selfridges, a V6 Absolute and V6 Animal. Dyson claim (Dyson V6 Motorhead in Singapore) is 30% quieter than DC62 which the DC62 is a standard V6 in the UK. Perhaps the HEPA filter helps to muffle out sound. Sound for me is not the issue, just the very powerful brushbar on the V6 Absolute and having neighbours below in the flat downstairs who don't like any noise, the stiff brushes really do dig deep into the pile to clean effectively.
V8 looks impressive but is very expensive at the moment.
I'd like to try out one of those Vax machines. I can also imagine anyone who has experienced issues with Dyson cordless machines going for one of these.
Bosch Athlet have come a long day. They look excellent. What appeals to me about Dyson, Vax and Hoover models is the ability to use a handheld, very important for someone living in a flat and needing to take the machine down to the car.