virtual servers are shite imho... the company I used to work for used to run thousands of them with Plesk and Virtuozzo products from swsoft and they were forever having issues.
SQL upgrades screwed over the control panel and the resource usage was so high that they required rebooting on a regular basis.

I don't have ebook but I still work for a hosting company so if you have any questions your welcome to message me and I will try to help