> There is no reason, even with the price of electricity in Europe to shut your computer down, hence boot time is moot
There is with Virtual Machines. You pay for uptime, a reboot is often necessary to add more storage or memory successfully to an existing VM, and even for local development VM's they take significant server RAM for their active kernels. For many VM's, proper nightly backup snapshotting also requires a short shutdown. Also, after activation of new services, it's often useful to reboot the system to ensure complete activation of services when and if they *are* rebooted unattended.