Got two 45s and a 40. I agree that the 45 is the better rangefinder...but not by much. IMO there is little difference in use, and I can easily switch between the 40 and the 45 with no problem at all. The only thing I would suggest is that you only need a side wheel of 80mm or below. Neil.
The Pope HW97 V-Mach. Gary Cane Laminate stock. Leupold Competition 40 mag Mildot.
The Smiler. Walther LGU. WE Laminate stock. Leupold Competition.
The Dark Destroyer. TX200 MK3. Leupold Competition 40 mag.
Pro-Sport. Warren Edwards Blue Laminate stock. Bushy 8-32x40.