TMPS which is best or really good?

We have the TireMinder TM66 which is their most recent model, and I think might be available exclusively from Camping World TM66. Since we have a TT, we ordered two additonal sensors. It was very easy to set up, and seems to work great. It has some nice features such as replaceable sensor batteries (the unit comes with an extra set of batteries, and the manufacturer will replace them for free for five years), it comes with a repeater/booster that you can install somewhere on the trailer (we put ours on top of the battery box on the tongue), the sensors screw on and off like a valve cap, so it is not a problem to remove them to test them, check the tire or add air (although for more security, you can install a locking collar that requires an allen wrench to remove them), it seems to acquire the signals quickly - manual says up to 20 minutes, but always has been much quicker than that, and it has a mode where you can inactivate the sensors on the towed vehicle once you are unhooked, then reactivate them when you are hooked up and ready to go again.

I have heard that the same system (made in China, of course) may be available from other sources with different names, but don't know that for sure ....