VirtualBox Arch & Mint VMs

I have a fresh server waiting for you to connect and install an open-source hypervisor—VirtualBox is my chosen platform. Once VirtualBox is in place, I need twenty fully functional desktop machines, 10 running Arch Linux and the other 10 Linux Mint... (Budget: $250 - $750 AUD, Jobs: Desktop Support, Linux, Network Administration, Performance Tuning, System Admin, System Administration, Ubuntu, Usability Testing, Virtualization, VMware)