Help me pick a good hunting/target scope

[Chato308]

So comparing glass quality/price for the money what are your opinions on the following:
-Zeiss Conquest 3-9x40 rz600 reticle
-Leopold vx-r 4-12x40 w/cds turrets
-Vortex PST 2.5-10x44 MOA/MOA
-Burris TAC 30 4.5-14X42 mil-dot

Any other suggestions are welcome also. Trying to stay under a 44mm objective and ~$600 budget. I would like it to be capable of occasionally shooting 600+ yards