[prakash]

We (Cedexis) presented our findings on - How do EC2's East, West, EU & APAC zones compare: (pdf) http://www.cloudconnectevent.com/2011/presentations/free/76-...

If you would like to know more please send me an email: prakash [at] cedexis.com

[jerf]

You should post that to HN, if you haven't already. Possibly wrap a blog post around it.