I bought my first tractor 3 years ago. I was looking for either a used JD or used Kubota. Why only those two? Because I wasn't well educated and scared to go with a non household name brand.
I bought a JD955 from a Kubota dealer (hey, I wanted to be fair). It was in rough shape after spending it's life on a golf course, but it was a good price and a JD after all. I fully restored it, both cosmetically and mechanically. It was a good little tractor, but given it was almost 20 yrs old with 1800 hrs and having been neglected on the golf course, it constantly required tinker time. The last straw was when the rear diff exploded and it had to be hauled off to JD to be fixed.
I decided to go new after that. I also decided to open my eyes and do some research. I considered JD, Kubota, Case, Landini, Kioti, Branson and a Chinese brand. I put all the important to me specs for each into a spreadsheet, including price and was able to eliminate several. Even though the JD models I was looking at were now outside contenders based on the spreadsheet, I went to my JD dealer, the one I just ponied a couple $K to for repairs and the one I'd ordered all my parts for the restoration but they didn't seem very interested in my business. I sat on them, but never got to drive them.
I was pretty much down to Kubota (B2920, L2900, L3240), Case Farmall 31 and Kioti CK30. (I think those are the Kubota models, but it's off the top of my head)
I to was a little worried about Kioti, both parts and resale. I researched the company (Daedong of South Korea) at felt a little better after that. They've been around since the '40s, built tractors with Kubota in the '80s and now build all CUTs for Bobcat, Landini and McCormick as well as their own Kioti brand. I'm on my second Kioti and my dealer gave me 94% of what I paid after 14 months and 160 hrs on my first one when I upgraded, so resale seems to be fine. I've never had issues with parts and it's also cover by a 4 yr warranty.
Now, I'm not trying to just sell Kioti, it's only because you mentioned it with some hesitation. I think you should compare all brands, drive as many as you can and decide based on features, specs and price. They are all good these days and they've all been around a long time at this point.