The best way to see what each feature set contains is to use the Feature Navigator available on CCO:
http://tools.cisco.com/ITDIT/CFN/jsp/index.jsp
You can search by feature image name and list all the available featutes for a specific image.
Harold Ritter
Sr Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México