Copio el email recibido de play hace un rato con referencia al problema que planteo 2 post más arriba:
"We can inform you that this error is due to a recent installtion of a new stocking system in our Jersey warehouse. This error has caused status of orders not to be updated i.e. updated to posted. We can confirm that your orders were dispatched on 08/10/09 and are currently in transit to yourself. Please contact ourselves again if you have not received your order by 29/10/09.

Please accept our sincerest apologies for any inconvenience this may have caused you and thank you for your patience and valued custom.
Kind Regards
Play.com"
Parece ser que tienen un problema informatico que hace que los pedidos no aparezcan como enviados(posted) o por lo menos así ha pasado con los mios. Un saludo.