When I returned to the hobby I was of the same opinion and got myself a Flysky GT3C.
It seemed to have all the functions I'd need (end point adjustment, steering expo and 2.4ghz). I was happy enough with it and it served it's purpose well enough whilst I got back to speed with things. I then saw a special offer on a Sanwa MT4 and I'd read that it was a very good radio so I decided to buy it. It's hard to describe the difference between the two but I'm no doubt quicker with the Sanwa. It just seems to respond better and more accurately and somehow made the car feel easier to drive.
I appreciate that on paper it should be similar to the Flysky as I don't really use any of the extra settings but it isn't. It's miles apart.