"We are excited to offer a preview of the next version of Windows XP Embedded. For device developers who are familiar with Windows XP Embedded, you will notice some significant changes to the product, and we think you will be impressed with what it has to offer. For developers who are new to Windows XP Embedded, we are thrilled to share this first experience with you.
This release focuses on three major areas:
Security & Networking Enhancements - The SP2 Tech Preview includes the new Windows Firewall. This component enables device builders to configure the firewall by opening & closing certain ports (based on the network topology that the device will be deployed to). Additionally, in-bound connections are not permitted by default. The Tech Preview also includes a hardened Internet Explorer, that enables more reliable browsing through stronger security profiles. Finally, partners such as Computer Associates & Sygate offer supported anti-virus & network protection clients for Windows XP Embedded.
Enterprise-Class Manageability – Easily integrate your Windows XP Embedded-based devices into pre-existing network infrastructures, by using Microsoft-wide management technologies such as Software Update Services (SUS) & Systems Management Server 2003 (SMS). SUS enables automatic scanning & deployment of Microsoft-issued security updates on Windows XP Embedded-based devices. SMS enables you to update your line-of-business application. Choose the technology that's right for your device.
New Features For Innovation -- Build powerful multimedia appliances using DirectX 9 capabilities. Integrate your device into a broader array of networking infrastructures, by implementing Bluetooth support. Enable your device to boot quickly using our new faster boot technology."
Download: Windows XP Embedded with Service Pack 2 Technology Preview
News source: Windows Embedded Developer Center