I love 2-7's. Ive tried Leupold VX1 & 2's, newer Redfield, Nikon Monarch, Buckaster, Prostaff, Vortex Viper, Burris FF1 & 2, Weaver classic and Bauch and Lomb.
My favorite is the weaver classic. Tracks very nice, very clear. 2nd would be the Vortex, 3rd B&L. I had issues with the VX2's and Monarch.