I am in a VAX period at the moment. Had 3 of their carpet washers and the first one worked well but the noise it made was absolutely deafening. Bought a quieter one that didn't pick up half the water of the previous one and leaked water when not being used. Last year I bought an "all terrain" VAX top of the range beast that cleans carpets and lino which has driven brushes and a hot air dryer built in and that really does work well, although the plastic bits are rather fragile, especially the two water tank's handles.
Had a small VAX cylinder which was like fighting with an Anaconda as the hose wanted to do it's own thing, so we bought a VAX battery powered one that picks up OK for about 5 minutes, then you spend 20 minutes or more unclogging and emptying out the tiny dust compartment plus several filters otherwise the suck reduces almost to zero. There is a rubber flap non return valve wotsit just before the dust compartment and that clogs very easily as well, so the tube blocks up solid within seconds, so as you power it off a torrent of dust and crumbs falls out onto the carpet you have just cleaned. Now have a Dyson animal model that does the job of the useless VAX battery powered contraption and even then the build quality of the Dyson is dire although it does pick up the dog hairs.
CD player = Marantz CD6006
DAC/pre = Rotel RC 1572
Power amp = ADA PF201
Speaks = Quadral Chromium Style 6