I don't know about the others but the older Motorguide Wireless like I bought on this boat does not have a directional arrow like most foot controlled so at night it will be hard to know which direction it is headed. Also when you turn it on you can not tell what speed it is set to like I could on my foot controlled. On these other model remote controlled units how do they handle these issues? I am not sure I am willing to lay out for the Ultrex, or the wife will let me. One of my fishing buddies is not able to get around and it is almost impossible for him to run a trolling motor and I was hoping with the remote to be able to run my trolling motor from the back deck and let him fish the front deck some. Also it would let me control the trolling motor if I am long lining out the back.