Buying First Zero Turn or Stand on Mower...HELP

I will be building on about 1-2 acres in the next few years and I am already researching what mower to purchase (probably can already tell I'm a nut). I've thought about the Scag Liberty Z as a top of the line residential mower and even jumping on a Patriot. I am also looking into stand-on mowers as well. I will probably finance as most dealers offer 0% 48 months.

My priorities:
-quality of cut/striping
-durability/reliability/longevity

I plan on taking care of this machine and am leaning...

Buying First Zero Turn or Stand on Mower...HELP