>>I think the size Compute instance you select (and the number of Instances) quarantees you that degree of processing power.
>>I don't think static IPs are an issue on azure. Something I haven't looked at properly yet, but you can map your own domain names to the unique url allocated to website on Azure.
>>MS are responsible for updating the OS and Services that you use on Azure (unless, of course, you are using a VM) Since any process is actually running on three different servers it quarantees two will still be running whilst the third is being updated and recycled.
>
>Thanks, another thing I have been wondering about is the IIS setup. Do we have access to that? Such as I have four application pools per Web site with specific configuration. That also includes SSL certificate installation and so on.

AFAIK you have no control of the application pools when running a web role. But I haven't thought of a scenario yet where it would matter since most of the usual reasons for assigning a web application to a specific application pool on your own server would not apply.