[fmotlik]

Are there any good comparisons of other AWS services and how their speeds compare in different Regions?

[manualwise]

Recently there was a good blogpost by cloudharmony comparing different Cloud providers:

http://blog.cloudharmony.com/2014/07/comparing-cloud-compute...

Basically as long as the equipment is the same it should probably be comparable on all regions, but you can use those numbers and benchmarks to compare them for specific workloads that you have