My missus has a Diana 27 that is very accurate:

https://youtu.be/889pWxlysQY?si=Ossm2Q3CsV18J9dO

I'm a big fan of my 1920's Millita, although it took some fettling to get it shooting really well:

https://youtu.be/qgBp0hVuNHU?si=0rCw_L4m-5tajB-2

I would be interested in adding a Heanel one day.

That FLZ is gorgeous, don't think I've ever seen one for sale.

Cheers,
Matt