Wamos

I'm looking for a sewing machine that is good for sewing leather uppers and handbags. I was thinking about buying a post machine but I'm not sure if this would good for handbags. I used to use a Pfaff post for my shoe uppers but there may be something better out there that I'm not aware of. I'm based in the UK and I would preferably like to buy a used machine. Does anyone have any advice for me? Thanks.