If you have a good product, there is zero harm for making a full review embargo before your launch. I think the more you go into letting people spend their hardear money before professionals opinions are out, the more it looks like you could potentially be hiding something and just hoping to make money. A lot of times it's just like, here's your first impressions embargo. When it's separated into you can't talk about the soft ware, but you can literally review the hardware, that's a little bit of flag.