Some links on Don Paterson's Orpheus (Faber, 2006)
'Translation shows us how poetry works - and reminds us why it matters' Don Paterson's New Stateman piece on translating the Sonnets to Orpheus
Interview with Don Paterson in The Guardian
Adam Philips on Don Paterson's Orpheus in The Guardian
Jeremy Noel-Tod's Telegraph review
Translations of The Sonnets to Orpheus by Howard A. Landman along with links to other translations.
This is from Stephen Cohn's Carcanet Press version
Don't depend on it, but here's the Wikipedia entry on Rilke. Some good links.