edcyn baby, No vacuum hold down for me, on any of my 5 turntables. Once upon a time I did own a Star Sapphire Series III with vacuum, but no longer.
I had completely forgotten about the Vinyl Flat options, probably because warps were such a rare problem for me. Thanks for that. So far that and the Orb seem the best ways to go.
As to the Orb, they are available from a US Company; see Mijostyn’s post. 100V is no problem; just get a 120V to 100V stepdown transformer. They are cheap. I already own two of them, one for my Denon DP80 and one for my Kenwood L07D.