Changing pressure of well only by pressure switch?
In responding to this, I am including information from your original post. (You said your well is about 100 ft from the house, that the storage tanks are next to the well, and that your plumbing is mostly PEX.)  I am assuming that your house is not elevated far above your well.  If it is, then you will have roughly 1 PSI additional pressure loss for every 2 ft of elevation.

PEX is sold using tubing size and not pipe size, so if there is 100 ft of 3/4" PEX connecting your well to your house, then the ID of that tube is only 0.681 inches and the pressure drop may be very noticeable.  Running two fixtures or flushing a toilet while running a sink might cause 10 psi pressure drop across the run length.  If the house is piped mostly with 1/2" PEX, then there would be additional pressure losses there also.

Instead of setting the system operating pressure ever higher in an attempt to compensate for this, I would suggest correctly setting the air charge in the storage tanks for the reason I mention in my comment under your post above, and then use a couple of inexpensive pressure gauges to measure the pressure at various points in the system to locate the losses.  For example, use the pressure gauge at the storage tanks, put another gauge at a spigot on the side of the house, and another on a sink in the house.  Turn on a tub and a couple faucets and record the pressures.  If a significant amount of loss is between the well and the house, then replace that line with a larger size.

40-60 PSI is the upper operating range for many residential well systems, so I would not increase the system pressure above that if the issue can be practically resolved some other way.