He allegedly wants to go to Weatern Canada, not Detroit, and the Islanders want an equally skilled defenseman in return to replace him.
Ie it's not happening. Of course all of the details will get lost a year or two from now when everyone says Holland sucks for not being able to acquire him for spare parts.
He has family Western Canada and wants to be close for personal reasons. A real GM like Nill or Yzerman would use pure willpower to induce a tectonic shift of the earth's crust, capable of moving the Pacific coast closer to Michigan. Holland sux.