After some fiddling, I found some gotchas. Most importantly, SSH keys, security groups, and AMIs are not replicated between regions. You can use the ec2-migrate-bundle command (from the AMI tools) to copy your images from the US to Europe.<p><pre><code> ec2-migrate-bundle --location EU --cert /mnt/cert-*.pem --privatekey /mnt/pk-*.pem \
--access-key ORANGEJUICE --secret-key SUp0rS3kRu7 \
--bucket BUCKET-IN-US --destination-bucket BUCKET-IN-EU \
--manifest IMAGE.manifest.xml
</code></pre>
I put together the rest in another post:
<a href="http://blog.solutious.com/post/64129126/using-amazon-ec2-in-europe" rel="nofollow">http://blog.solutious.com/post/64129126/using-amazon-ec2-in-...</a>