Philips On-Site 

Philips FRX

Philips FR2

Zoll

Samaritan

DEMO Philips AEDs by visiting (these machines sell themselves):

http://www.medical.philips.com/main/products/resuscitation/products/onsite/onsite_demo.asphttp://www.medical.philips.com/main/products/resuscitation/products/frx/frx_demo.asp
http://www.medical.philips.com/main/products/resuscitation/products/fr2plus/