It was easy for me: I pretty always drive with my kids, so the insane acceleration isn't something I'll really use. Also, I have a whole home generator and Powershare has no benefit to me whatsoever, so it just made sense. 4 years ago when I placed my order I ordered the beast but there is...
It really depends where you live, I lose power quite often. But then, I installed a whole home generator and I never have to think about it again. Needless to say, but I will not be setting up power share.