Well, unfortunately, no, I have no direct experience. HOWEVER, I just visited a large bike shop in Austin- the one at S. Lamar and Barton Springs Road- and had my first look at an actual Vado. They've sold a number of them and I chatted with their most ebike-savvy salesman for about 10 minutes. He told me a number of interesting things, to wit:
*All their Vado 3s had the 15 mph cutoff problem, due to their being shipped with Euro settings.
*All of their Vados in stock have been "fixed" via SW update.
*Specialized has halted further shipments until they get the SW updates completed
And here's the kicker- he said the fix brings the 3.0 up to 28 MPH. I called bullshit but he insisted it was true- offered to let me ride the Vado 3 we were looking at and claimed it would assist right up to 28. Now, I don't know if he was right (I was wearing sandals and not ready to ride) but he definitely seemed informed, and they are a BIG dealership and not some fly by night. So I'm dying for Court to actually ride one of these things and give us all the straight scoop.
Oh- the other tidbit was that the back of the rack where the taillight is seated is PLASTIC and not intended as a place to lift the bike, tho that's exactly what anyone would think to do. (This would explain the reference above to new models with broken rear racks.) He claimed Specialized was aware and working on a next iteration (probably all metal).