Yes, test drive them. Some will offer a discount if you test drive and decide to buy! I had a JD3038 for a few years and it was a great little tractor!
I get some grief from F&F as I keep a pack in my truck at all times. Headlamp, emergency blanket, change of clothes (underwear, shirt, pants, socks), layers/rain shell, protein bar, can of campbells soup (I refresh every 6 months), simple first aid kit, whistle, fire starter (multiple)...
I would strongly advise for those 'no longer happy' in their current situation to do this: turn off ALL social media (including this site) for 30 days and each day make a list of what you are thankful for. After 30 days, see if you still are 'no longer happy'. Simple to do, but not...
Take the time to properly measure your torso (get some help) and call Kifaru with your measurements and intended usage. I wouldn't follow blanket statements as a 22" may be exactly what you need.