I have the Lawn-Boy original version of the Toro 22156, the 22271, of which only a few hundred were made. It is truly a great mower and the GSV190 has been flawless. I think any of the ones you listed would be great mowers. Perhaps the Toro would get the nod for several reasons:
True sealed ball-bearing wheels with replacable semi-pneumatic tires;
Advanced hi-dome deck design;
190cc commercial-grade engine (iron sleeve, ball-bearing large-dia crank, quiet muffler);
Variable-Speed drive adapted from Personal Pace but manually-controlled. You can feather the bail for slower mowing, and it instantly becomes a push-pull mower when you drop the bail;
Very fast and easy mode change and the bag lifts up through the handle. Also it will not start without the bag or mulch plate installed.

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Thanks Saxman for your post. The pictures look great. The wheel in the picture above seems not like a pneumatic tires? The Honda Commercial mower is too heavy, but the shaft drive is a great feature. What is your opinion on comparing Honda shaft drive with TORO's belt drive

My current Honda Hormony has a belt drive and I changed it thrice in the past 14 years.

The tires are hollow for a soft feel - less vibrations back to you. This is why they are 'semi-pneumatic'. I can't help you with the Honda shaft drive - never used one. I do know the Toro Variable-Speed is the simplest, lightest and probably longest-lasting drive out there, and its very easy to use.