When choosing View Level seats down the line, stick to the third base side of the field. These seats will be in the shade well before the poorly-protected seats down the first base line. In addition, these seats will give you a head-on view of the scoreboard in right field.
Most sections in the 400 Level View seats have rows A-J, while most 500 level sections have rows A-R. Rows L and higher in the 500 level are protected by the overhang but the drawback is that you'll have to walk up 12-15 stairs to get to them.