Well, I'm a little late to the game...but here's my answer
Leupold.
I've used Nikon, Halo, Leupold, Vortex, and a couple other randoms I can't recall...
My Leupold RX800i TBR DNA does everything I need it to do, great glass, angle adjustment, etc. I got mine for a steal on Ebay...but they're not too expensive.