PLC vs PAC & PC vs PLC videos

Which of these two PLC vs PAC & PC vs PLC videos do you like the the best?

 (Please vote thumbs up on the one you like best.)

Feel free to share with buddies too. :)

Or do you like this one best ...

Don (Follow me on Industrial Skills Training Blog and on Twitter @IndTraining .) Be sure to add me to your Google+ circles to stay on top!