For those of you with a lot of money (you know, Big Sky owners, Cambridge owners, Kodiak owners, etc.....)
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TrailerSaver has just introduced a new Saver-Slide model which is essentially a TS3 air ride hitch with a semi-automatic slide system. As with the TS3 - this fits into your existing rails for the majority of hitches. The TS3 is a great design in itself.
The Saver-Slide unit comes complete with an internal compressor and control system that levels the ride as you drive using a magetic sensor to maintain the height. It also has a remote control release that activates pneumatic actuators on both side of the hitch and allows you to maneuver the slide without getting out of the truck. It also has a positive wrap around lock for the pin - which eliminates, not all, but most of the concern that might lead to a bedsaver (not sure if one would fit).
http://www.picturetrail.com/gallery/...10&uid=6528899
Pretty nice setup and looks like it is built well. Not totally impressed with the slide lock configuration - but Aaron says they have put it through a rigorous test.
Downside - cost $3,800 big ones. Over $1,000 more than the TS3. It is part of the 10% sale for November by TrailerSaver.