I wanna be judgmental, but I don't know anything about the guy.
That means I just have to wait. Bummer...

I don't really see any specific color he would be better as just based on how he looks.

Blank slate. He has the chance to make the role his.

Do we know it's Just the 5 Rangers? Are we getting Green & White to??

Unless he's utterly terrible.

Y'know there are actors with previous credits who can make roles "theirs." That's where the acting comes in.

Not disagreeing with what you're saying. I still feel the same.

I'm reminded of Chris Evans, who was famous mostly for hot-headed characters before Captain America. There were many doubts about his casting as Captain America. But in my opinion at least, he totally owned that role.

Well, if anything, having unknowns brings some excitement to the movie, to see what they're like. :)

Probably just the 5. Green/White sounds like sequel material.

I can see them making the Green ranger saga the Empire Strikes Back for the MMPR moives.

I think it would be awesome if they made white and green two different people. But that's just me.

I wish this guy luck. Hope he's great :)