Security and other regular software updates
Help with custom DNS configuration (eg. with your own DNS)
Help with additional installation or setup scripts and apps (trading, tube, CMS, etc.)
Individual help with server configuration and it's tuning (Apache, E-mails, FTP, PHP, etc.)
Pro-active monitoring with automatic restart of services (ping, http, uptime, mysql)
Monitoring of content for harmful content/malware and help with cleaning