I've always dreamed of having a proton pack since I was a kid, so this is awesome news that Matty has raised the possibility, after that whole Master Replicas plan disappointingly fell through. I can understand that there's a lot of focus in the fan community on building the packs, but not all of us have the time, patience or skill required to do that.
If Matty is going to go through with this, hopefully they'll do it right. And a lot of the price expectations are ridiculous; I'd be shocked if Matty managed to put out a screen accurate pack with lights and sounds for anything less than $500. However much it costs(within reason), I want a proton pack replica that looks and feels like the real thing from the movies. If this ends up happening at all, hopefully they won't decide to sacrifice too much accuracy or functionality to keep the price low.
Who knows, maybe one option to consider would be for them to make a more affordable, but lower quality version of the pack, then also a pricier and more limited edition “Ultimate Collector's” proton pack.