XP Unlimited

XP Unlimited: "XP Unlimited turns your Windows XP Professional System into a full blown Terminal Server, without any limit. XP Unlimited gives you eXtra Productivity when using Microsoft Windows XP Professional.

* One license per server. One fixed price per server.
* Unlimited, multiple concurrent remote desktop sessions, without any additional costs.
* Unlimited performance, using the Load Balancing of our Farm solution.
* Application Control and Publishing. Give your users only the applications they need.
* Small version and Enterprise version available."