Sorry my bad english, but i did wrote that 2jz-ge non VVT-i is stronger than 2jz-ge VVT-i.
I can't say about that dyno, how high it reads etc. But in their website there are differend dynosheets from differend is300 setups so you can go and compare the differences. This particular is300 has all the bolt on upgrades, they are written in video description. To be honest, i don't find those parts that expensive or labour intensive. Good sets of nice wheels can cost more....
I think i know what Hellboy is after. Reliable daily driver with little bit of more oomph. If he wants to change cams, it would be wise to change exhaus headers in the same time and tune that ecu. I'm sure he can feel the difference. Changing adjustable cam gears could be a wise move too and maybe new valve springs. If he eventually goes to turbo route, these mods are not wasted as he can use them later.
I'm personally in the middle of some kind of project so it takes a few months before i can give you more reliable information about gains in hp and performance etc. But Herb has fully build n/a motor so maybe he can give little more information about this topic.