Invalid (in my opinion) reasons not to buy the Pulse:
1. "Price" - yes, it costs more than the DTS, X1, D3, Opto 3000, but not any more than the DPS, and here it is for $360:
http://store.thebackcountry.net/cart...roductid=22424
2. "You might have the only Pulse in your group" - this renders the "vitals" transmission pointless, but that's only a very small aspect of all the new features in the Pulse.
3. "It's in its first season" - I've used it on dozens of practice searches so far (including up to 7 tightly spaced transmitting beacons with significant electronic interference) and it's worked very reliably. At my AIARE ITC, one of the instructors took my Pulse and set up a three-beacon scenario that he said could fool the Pulse (i.e., 2 beacons about 2m apart, then a 3rd beacon just barely within the receive range). He reported back that he had indeed fooled mine. Then I twice attempted to replicate the problem, but both times succeeded in registering, finding, and masking all three beacons. (I need to get out soon and replicate this multiple times so see if it ever occurs again.) That's all I've heard so far concerning a potential glitch. Any future improvements in the beacon will be available to beacons purchased now (via the software upgrade). So although I'm not always an early-adopter, I don't see much point in waiting.
Valid reason not to buy the Pulse:
You've tried it yet prefer a different beacon. Out of all the beacons currently on the U.S. market (a description that excludes the elusive S1), the Pulse is by far the most technologically advanced and feature-packed. But that does not necessarily make it the best beacon (whether defined as fastest, most reliable, least confusing, etc.) for YOU! Overall, it has a much different user interface than other beacons (i.e., full-text screen and soft keys) and in general tries to do all the "thinking" for you. That will work wonders for some people, yet will be a frustrating and potentially confusing waste of time for others.
In summary, the Pulse is a very impressive high-tech wonder, but that doesn't necessarily mean it's the best beacon for everyone.