I had researched and was not impressed. I ended up buying a Fein Shopvac.... lower decibels than the Seyo, has a socket for the saw, so they turn on and off together, 15 ft hose, so you can keep the vacuum far away from your saw.
http://www.amazon.com/Fein-9-20-27-TURBO-Vacuum-5-8-Gallon/dp/B00K69ILFQ?ie=UTF8&keywords=fein%20vacuum&qid=1459565711&ref_=sr_ph&sr=1