We haven't bought the hardware yet although we have a shortlist so I can't give you any specifics at this time :(

Backups won't be online from day one I don't think but it is something we will be looking at soon after.

Power/Bandwidth is a strange beast in the UK: Up north, power is cheap and bandwidth is expensive but it is the other way round the further south you go! (anecdotal evidence but it's broadly true)

We are looking at up to 16GB at the moment but we are not ruling out bigger VMs

We will be based on Hyper-V 2012.

More details will be forthcoming as we get nearer the launch date.