There has been some positive and negative about this beacon, having used the Ortovox F1 and the new S1. I'm set on this beacon. Are there advantages to a super expensive beacon like the S1 sure but what you sacrifice (processing speed) is not worth the extra dough. I don't need a thermometer, inclinometer and compass. I need to find my buddy fast. This beacon does the job and it has done it a little too well. That is why you see companies throwing meaningless extras onto their beacons. There are advantages to a 3rd antennae that you don't get with this beacon (wait for the tracker 2 - january 2009,if all goes well). The DTS simply is the best, most reliable and easiest to use around. This is more than adequate for any backcountry enthusiast who has had any sort of. Stay safe!