I'd stick with the gator. If you really want something new I'd go with the XUV825i. That would be Deere's "top" model to Kubota's "top" model being the RTV1100 and the 825i starts at $11,399 and RTV1100 starts at $19,740 according to the build your own's on each website. The 825i goes 44MPH, the the 1100, 25MPH, the 825i tows 1500lb, the 1100 1300lb. The 825i is a gas engine but its a 50HP gas to a 25HP diesel in the 1100. If your mind is set on a diesel though you can get the XUV855D for $12,199 and it goes 32MPH with similar specs to the 825i. If you want a cab the Deluxe cab on the Deere's offer much better visibility although the Bota's may be a little more luxurious the Deere's still offer all the same features.
I don't see how anyone in their right mind buys a RTV over a Gator/XUV unless they are just a die hard Kubota guy, but judging by your name, the RTV may be for you!:laughing: