Phoronix: Ubuntu 7.10 Supports Install-Time Encryption

If you have wanted to encrypt your Ubuntu installation on your hard drive quickly and easily, with Ubuntu 7.10 "Gutsy Gibbon" it's become even easier now that the alternate installer supports encrypting partitions. However, the Ubuntu 7.10 "Gutsy Gibbon" Ubiquity installer currently lacks LVM and dm-crypt support.

http://www.phoronix.com/vr.php?view=11201