I've been a forum stalker for awhile here but first time poster. I've read a few threads related to the importance of AEDs or automated external defibrillators as part of proper or ideal emergency preparedness. I was curious if any of you have any experience with a specific AED and if so, which one you and what your opinions were? I'm doing some research and would life some first-hand opinions. Also, any information on a preferred vendor is welcome. I've been looking at the following so far: