The Archbishop of Canterbury: a further press release has just been issued: Archbishop: Pope’s last days a ‘lived sermon’.
A video clip in which the BBC’s Robert Pigott interviews Rowan Williams can be viewed from this page (scroll down).
The BBC Sunday radio programme for Sunday 3 April was devoted entirely to the Pope, and includes an interview with George Carey.
Other BBC coverage can be found from here.
Official Vatican documents appear here.
The Tablet has a special papal website here.
The National Catholic Reporter has much useful material, start here.