For me I think the 15-48 would be perfect. Great mix of optical zoom and clarity in a lightweight package. However, if you're hunting thick cover where you can't see very far anyway then the 11-33 might work great. Between me and my 2 friends we have every size of the Razor HD spotter. I get stuck carrying the 85 but when you're glassing miles of open high country basins it's worth the weight. The 11-33 doesn't offer enough zoom for my applications.
like said earlier, all about preference and hunting style. the 15-48 would be my pick as it seems exremely versatile and i own quite a few pieces of vortex and i like them all. evaluate your hunting style and pick one. you will be happy either way.
I would agree with the 65mm. The compact would not to do much for me. If you are in a packing situation you might look at going with just 12x50's and eliminate your spotter.