Well, the markers on maps to show where portals are idea is quite good, but YOU might just get the benefit of it because you're new to FH (I'm assuming).
A lot of new players do get confused about where the portals are and how to find you're way around the worldz, but to be honest, once you've properly found you're way around, you then become used to your surroundings and you know where everything is....
And besides, isn't the point of FH to explore and find the portals and places anywayz?
You only get this opportunity once, before you get used to it, so maybe in some way, having markers on the maps would spoil the sense of adventure
These are really good ideas you've made by the way, so don't get put down by what I've said