I'm a Software Engineering Manager working on Google Maps in Sydney, Australia. I write about software {engineering, management, profiling}, data visualisation, and transport.
Yes, "CD", not USB, not network-boot, not DVD.
TL;DR
Ubuntu Oneiric ubuntu-11.10-desktop-i386.iso
[http://old-releases.ubuntu.com/releases/oneiric/], at 695MB, is the newest
32-bit graphical Ubuntu live image