I was interested in trying some of the Flex vacuums and also the polishers by proxy, after using the PXE 80 and XFE 15 on my 991.2 GT3 RS I understood why people liked these tools so much. The cordless feature on these tools is quite useful and makes working around a car a better experience. I find the cordless polishers have great battery life and you don't have to be worried about running out of battery if you manage your batteries on the charger. I think at least one of these polishers should belong in the garage because even if you already have a Rupes machine this compliments it well.