With every generation of vacuum collector their are machines we consider rare and valuable and those we consider junk.
In my early 40,s now I do find it odd when I hear of a bissell bagless vacuum being refered to as collectable and rare BUT I also have a very eclectic taste in vacuums, I love 30's's to 80's uprights, Then I love my dysons too,
I bought myself a Electrolux Twin clean recently because you suddenly dont see them any more and yet I can remeber selling then new in what felt like yesterday, at one stage they were all over market place and then suddenly nothing till i found this awesome orange one.
My point is its rare to you your area your surroundings. and as long as it interests you thats all that matters