ray_afraid said:

It may make the funeral pyre scene a bit strange as Luke would just be torching the suit...
But I think it would still work as personal closure for Luke- a funeral for his father and destroying the visual remains of his dark side.

Any opinions?

well IF Anakin does disapear in Luke's arms, he later burns not only the empty suit, remember Vader had lost most of his body due the fight with Obi-Wan and other events before ANH (either how one wants to see it)

so, yes a symbolic closure and a complete destruction what the (last?) Dark Lord of the Sith was ...