+1 on SawStop. I haven't encountered any issues with heavy cutting, but I'm sure it has its limits. I've cut plenty of wet wood, especially big box store pressure treated lumber still soggy, again with no problem. SawStop says the brake is unlikely to be triggered by a small nail or staple, but it could be. I've never knowingly hit one, so can't say firsthand. I can say that I'd much rather replace belts than fingers
Keep in mind that the OP is looking at a 5HP saw. He apparently wants to do heavy cutting.
We run 3/4", furniture grade, 11 ply veneered plywood, four sheets at a time through our 5hp saw, without a burp. The Sawstop has a hard time with only two sheets, without running slow enough to burn the material and blade. It is intended for a home shop.
Damp and wet wood
may trip the brake, not necessarily always. We've had it happen. It's much easier to over-ride the brake, than to replace it at $80.
They also say that metal
can trip the brake. Haven't done that, yet.
The problem is, it is under-powered for heavy cutting. Something that a 5HP saw would do with ease.
I tend to keep my fingers away from the blade. Not that accidents can't happen but, most times that is from inattention, and sloppy practices.
Sleds, clamps, push sticks, and full attention on operating the machine is essential.
Don't rely on a machine to do what is required of yourself.
That will make you complacent, and injuries can happen.