Update: sudo apt-get install vanilla-gnome-desktop does install everything. However, regardless of whether I also tasksel'd it, I do get an errors encountered while configuring for both vanilla-gnome-default-settings and vanilla-gnome-desktop; dpkg --audit says to dpkg --configure both to resolve it, and that seems to fix it...
Update: sudo apt-get install vanilla- gnome-desktop does install everything. However, regardless of whether I also tasksel'd it, I do get an errors encountered while configuring for both vanilla- gnome-default- settings and vanilla- gnome-desktop; dpkg --audit says to dpkg --configure both to resolve it, and that seems to fix it...