COOK123, My bro in law got a 1428v for 10k no FEL (new) in md. but at the same time I bought a 1433v w/FEL for 15,800 gear trans (shuttle) so your prices seem fair to me...
I have no experience w/MMM nor any desire to get any...just seems to difficult to put on or take off,I just wouldn't want it hanging on my tractor while I'm plowing or climbing over something high using loader.RFM is the way I personally like to mow ,but I don't mind turning my head around to see how close I'm getting to something... I would suggest a test drive on both see which one feels right for you(if you haven't already)because the 1433v sits a good bit higher than the 1428v, that might help in your decision... /forums/images/graemlins/cool.gif
For 20 acres 1433v is going to be more capable but is it too big to get in some of the tighter spaces to comfortably manuever around? And you mention hilly ,Well tractor ride height will increase pucker factor on hilly ground ,so take that into consideration it will make a difference ...good luck let us know what you decide and of course we will need pics...Mark S. /forums/images/graemlins/grin.gif