"The images are all 1 GB + (except for the Rescue and Standard
versions), so that's a bit of a change from the Lenny era. You'll
need to use a DVD. Due to my Toshiba's hatred of CD-R but
surprising love of DVD+R, I've been burning everything, including
CD images, onto DVD, and it's worked quite well.
"There are ISOs for GNOME, KDE, LXDE and Xfce, as well as the
aforementioned Rescue and Standard (no GUI for both) spins.
"One thing that's very notable: There are PowerPC images this
time. I remember there most decidedly NOT being PowerPC live Debian
CDs for Lenny, and a check of the download area for live Lenny