These programs are included by default in the ISO

Desktops

Gnome (for the admin)
IceWM (for low-resource systems and kiosks)

Media Programs

VLC (video/media player)
Audacious (music/sound player)

Internet & E-mail

Firefox (internet browser)
Thunderbird (mail client)

Office Software

OpenOffice (office suite)

Special Features

Software RAID support:
- mdadm (create, manage, and monitor MD arrays)

dm-crypt (cryptsetup package) to encrypt partitions for added security

desktop-profiles (even though I'm not certain what this package does yet exactly :P)

seahorse for encryption key management