|Gustavo Noronha Silva (aka kov) has backported the experimental GNOME2 packages for Woody. The apropriate sources.list line is
deb http://people.debian.org/~kov/debian woody gnome2
Use these packages at your own risk, however kov is happy to solicit email from users of these packages. Lots of screenshots below (links to larger versions).
Robster showing off the fancy gdm2 greeter in xnest:
The new GNOME system monitor shows off
More GNOME2 coolness
Kov has some screenshots in his post to the list (warning: klecker is slow!!!)