Try installing windows 7 first and then restore the image with a running windows not from the setup disk.

As Michael Reyes already said it depends on the use. This is what helps me to decide what would be a good upgrade: http://www.cpubenchmark.net/high_end_cpus.html[^] Just be sure to know that passmark is a synthetic benchmark which means the actual performance in applications can be slightly different. However it is still a viable way to help you to decide what CPU to buy.

If the PC's have additional video outputs it is very likely to be possible.