scopes

on my arm platforms I run vortex scopes. They're great reliable etc... As you know Two questions: 1- my Ar9 build obviously isn't for distance I was thinking of something that smaller like a vortex venom or something like that. Is that too low for my eye line do I need something while small...

Looking to buy a new scope for myAR that wont break the bank any suggestions?

Namely MOA vs Mil Dot. Whats the difference? How do the work? Which do you prefer and why? I've got it narrowed down pretty much to two options, the Trijicon 1-6 Accupoint and the new Zeiss 1-6 Conquest. Both chosen for combination of optical clarity and realtive lightweight, though the...