Could someone please break some of this down for the less technical. I've read about hallmarks in the wiki, is it recommended that someone who has their wallet open a few hours a day runs a hallmarked node?
Yes. This helps to protect network.
If not how does hallmark protection effect those not running a hallmarked node?
Hallmark makes it easier to identify who is good, who is bad and who is ugly.
myScheme, myPort and shareMyAddress What values should they be set to?
I already set them for u.