CCNA Study Guide that is Free
CCNA Security Lab Workbook - Awesome CCNA Security Lab Workbook
CCNA Voice Lab Workbook - Awesome CCNA Voice Lab Workbook
CCNA Security Lab Workbook - Awesome ASA 5500 & CCNA Security Combo Lab Workbook
The Bryant Advantage - At this site you will find great CCNA Study Guides. Chris has a package which includes his CCNA Study Guide covering all the CCNA major topics, a Lab Workbook(we sell the hardware to recreate this lab setup), a practice exam and more. Tell Chris you found his site at CertificationKits!
Packet Tracer Labs - Checkout our friend Barry who does some really cool Packet Tracer Labs at his site!