2.6.30.3 is now available.
Due to changes in vm security a change must be made in /etc/sysctl.d/10-process-security.conf. vm.mmap_min_addr should be set to 32768 (This change is safe for any kernel version). If this is not done it is likely that you will not be able to login remotely. Although you should still be able to login as root on the main console.
Kernel and modules are available from the following locations:
IPV4:
http://sheeva.with-linux.com/sheeva/IPV6:
http://sheeva6.with-linux.com/sheeva/Features IPV6, CIFS, NFS4, EXT3, EXT4, JFS, XFS, FUSE(for ntfs-3g), UBIFS, usb-serial, uvcvideo, iptables, appletalk, bluetooth, v4l and ppp.