About:

Clustering - Heartbeat 2
Clustered File System - OCFS2
Virtualization - XEN
Application firewall - Apparmor

(todo)

SLES 10 rocks

novell page

sles10
(source)

General Refresh
Not Included/Obsolete
- Linuxthreads support (no Java 1.3.1)
- GFS, JFS, Lustre, Reiser FS4, Nagios
Features
- Xen 3.x hypervisor
- YaST module for configuration
- CPU Sets, CKRM improvements
- Improved Scalability (1024 cpus, >10 TB RAM, 12000 LUNs)
Developer Utilities
- Mono 2.x runtime environment
- Java 1.5 runtime environment

AppArmor seems interesting and will eventually be a good hardening method for Linux Systems. Compared to SELinux, it is way much easier to implement and configure.