For my short arms, the Bushnell 2-6X had too much eye relief and I couldn't get a good sight picture without stretching into an uncomfortable position.
I've never had any problems with Leupold 2X or 4X scopes or Nikon 2X's. My favorite is the Nikon 2X. I own three of them. Sold my Leupolds.
The Burris 2-7X is a nice scope but I had one fail after 10 shots on a 44 Mag TC barrel, so I lost confidence in them. Had two and sold them off.