I'm really miffed- I've just bought a P&T Vibe, from all the pics it looks like the insert seat cushion is a sturdy, relatively rigid foam, but mine can with a rather flimsy, soft insert. Have I been ripped off? Has the spec changed? Is this just a UK specific thing to save on cost? Spoke to friends in Oz who recomended the P&T in the first place and theirs has got a much more study insert. So what's the story? Does anyone know?