Updated my 8801 yesterday with no problem (wired connection). Estimate was 43 minutes and that's about how long it took. I ended uo with a broken connector on the right speaker cable but luckily I had a replacement, albeit lower quality but all seems well. Speaker cable is already on its way to Audioquest for repair.
However the WOW comes into play after just listening to a 200gm 45rpm LP of the "The Doors". If you're an analog lover it was just incredible.