Well...
I sat the INTRO 640-821 today and I pulled a 900/1000. This being my first experience with the whole Cisco world... I guess you could say I am now addicted

I considered the exam to be by far a lot harder than a Microsoft exam, especially the wording etc. I had approx 1 minute remaining when I finished...close call, but I like to take my time and double check my questions....it almost costed me though.
Material used
1. Cisco Press
2. Sybex
3. Cisco.com (The subnetting game actually made things click - Highly recommended)
Hardware used
1. 3 2500 routers - 1 of the routers had IOS version 10.. |o|
2. 1 2950 switch
Don't want to give out to much info, but here are a few key points you must must know
1. Everything to do with configuring the routers IOS,TFTP,Register,passwords, commands, and interfaces etc.
2. Lan Switching - All source / destination mac stuff.
3. Subnetting
4. Subnetting
5. Subnetting.....and I think you get the point. YOU MUST KNOW THIS INSIDE AND OUT..
Thanks once again Techexams! Going to take a 3 week break and go after the ICND NEXT BABY! I also want to give a special shout out to BMAURO on this site for some help in the past -