Might be nice to add
http://www.ecb.int/stats/eurofxref/eurofxref-daily.xml
to the list.
The official reference rates provides by the European Central Bank based on the regular daily concertation procedure between central banks within and outside the European System of Central Banks.
The feed is in XML and some other formats.
Updating normally takes place at 2.15 p.m. (14:15) ECB time (= Frankfurt time).