So, with Flashscan released -looks to be a great product, BTW , I guess the very first q. I have is - why should I pay $350 to upgrade from my EFILive Pro if I can upgrade to HP Tuners for $250. I know it's a tough question, and sorry to bring this up, but, as the old man said, a hundred bucks is a hundred bucks..
So far it appears that for extra $100 I get black-box logging capability and ability to more or less easily hook up a WB sensor (which I don't have, at least currently)...

I guess it would be worth explaining in details what are the reasons to go with Flashscan, and NOT HPtuners.. - I would guess a lot of people are trying to answer the same question right now.