Fantastic information. Many thanks to all. Please keep the info coming.
So far I have ruled out the all electric Patriot due to a 6 second panic response.
My list is now down to IVR2 and SMI's Delta Force. Since the RVI2 guys invented the brake buddy and sold the rights off before improving on the design for the IVR2 I have ruled out the brake Buddy.
Due to SMI's Stay In Play Duo's information with the addition of the vacuum assist I am reconsidering my portability requirement. The vacuum assist seems to be a significant enough feature to place this unit as a definite maybe.
Haven't heard from my old buddy Iggy. I am interested in many more.
Keep the info coming, I think this may be a significant amount of unbiased info on the market offerings and should be of help to many.