I bought one a year ago at the same $80 price they had them on sale for last month when they came up on a post, but I have mine mounted on a 5-gallon drywall compound bucket. It's not clear from your question if you are looking at their new model that uses the removable head of a Ridgid vac and then it sits on the canister, or the bare bones mini. If it is the Mini only, then remember, Michael, "He who hesitates is lost!" - You missed the $80 sale price, but believe me, $120 is not bad -- I use mine a great deal whenever I am using my RO Sanders or my Biscuit Jointer, or my miter saw or my stationary belt/disk sander -- it captures nearly everything that any of these can produce and I have not needed to clean the ShopVac filter for the past six months. I even have my ShopVac hooked up with a remote controlled outlet so I can control it on or off when I start or stop an operation 10 feet away. I've found that I can just move the bucket around where I need it and I have a 10' 1-1/2" hose connected to the inlet that goes to my tools.
