Hello im from Latvia!
I bought my Xbox360 in Northern Ireland and xbox live too! I tried to connect my Xbox360 to Xbox Live and i got error in Internet connections! Like This: http://solutions.xbox.com/en-US/PublishingImages/testlivewiredinternetfail.jpg
I got problem with DNS Servers! I tried to type them manually and still doesnt work! What should i do?
My Network provider is Aldems and i use Fiber optical cable =)