Another interesting article over at PreCentral
Palm webOS on a Desktop? Foleo Redux?
Just call me Berd.
seems like they running a VM not a true OS
Palm SDK on GNU/Linux possible :
That article, and the post you responded to, were from last February. It was nothing but rumor mongering then, and it's less than that now.
I'm out of my mind. But feel free to leave a message.