The LS6 was designed by Park Sabers but is best bought either directly from Korbanth/Sith Planet* or where ever else re-sells them. They're widely re-sold so you shouldn't have an issue finding one.
As this is the Vader's Vault part of this forum it's only right to point out that Vader's Vault has their own model of that saber which they call the Hero. They don't have any in stock right now, but I believe they've got a run of them coming up at some point. Vader's Vault visit this forum very infrequently, but they're active on their facebook fan-group, which is called The Vault:A Custom Lightsaber Community. I mention this because, if you are interested in obtaining a Hero from them, they probably won't post here when they're going to go up for sale on their web store - they've launched several new products and whole new webstore in the last month and not posted about it here.
As for SmoothSwing - you won't get a Vader's Vault saber with it, unfortunately. They're aware of it, but they've been quite dismissive of it in conversations on their facebook page. Also they're Plecter associates so it's not surprising - you won't get a saber from them not installed with a Plecter board, and you won't ever see them talking up soundboards not being put out by Plecter.
*Korbanth/Sith Planet are the same thing - different names for the same person, being Randy Johnson.
This is not true. We have in no way been dismissive of smoothswing. However, it is currently available only on open source boards. We have been researching and testing Teensy and now Proffie since it's inception. I am amazed and impressed by all that Profezzorn as well at others have brought to the hobby and have the utmost respect for what pioneers out there are doing to move the hobby forward.
Our position is that
currently, the boards available, while an excellent choice for a very saavy Diy'er, are not ready for production sabers as they are not user friendly for a broad spectrum of end users and are still buggy and tempermental. A saavy user can certainly overcome these things, but for the wide spectrum of end users out there we feel they are simply not the best choice currently for what we want to provide to service OUR customers, and keep in mind one great feature doesn't make a soundboard superior to other, much more stable and user friendly products. This may change, but right now that is why we are not
currently offering them. In addition, I wouldn't be surprised to see other manufacturers of established boards react and come out with their own similar motion detection features, in fact, just last week Electrum posted a teaser of their upcoming D3 board which showed something akin to smoothswing. NEC and Plecter have yet to show anything but I would not count them out.
As far at the LS6, not our product. However we will be releasing a phenomenal new version of our Hero on or around the first of the year, so stay tuned :) .