Some other relevant details:
Our Customer Agreement does not prohibit any kind of content which is legal in the US
IRC is permitted, so long as it doesn't attract DoS. ircd's are not.
An example of upgrades:
Traffic: 3000GB, 20TB, 100TB, 100 megabit unmetered, Gigabit Unmetered
IPs: 8, 16, 32, 64, 128, 256, or any combination thereof
RAM: 2GB, 4GB, 8GB, 12GB, 16GB, 24GB
Hard Drives: 160GB, 320GB, 500GB, 750GB, 1TB, 1.5TB, 2TB, 3TB
Control Panels: DirectAdmin, cPanel
*NIX OS: FreeBSD, Ubuntu, Debian, CentOS, Fedora, Slackware
Windows OS: Server 2003, Server 2008
Windows software: SQL server, Sharepoint, etc.