I'm looking for a new scope, been using the $20 Bushnell that came with my Savage 111 for 10 year now, time for an upgrade. The 3 I've been looking at are Bushnell Elite E3940 - Burris Fullfield II 200162 - Vortex Diamondback. I can actually get the Bushnell for about $220 brand new. Thoughts?