-- Last Updated: Jan-23-13 10:41 AM EST --
The Swifts seem to be the lightest available. They infuse and have integral, foam and fabric rails and will, if one uses the key words "Matt Finish, will skin coat above a champagne gel waterline patch.
I suppose the prospector series would be closest to the OT Guides, but the 16 foot Kee at 33 lbs is their best seller, and there is a reason for that. Kinda tough to pick w/o paddler weights, gear, length of trip, dog, etc, questions being answered, but limited vacation time have ~ put paid to 18 footers.
WeNoNah has an array of 16 footers too, skin coat with aluminum rails but wet bagged, so heavier and more variable in weight.
Hemlock makes a nice 16 ft Eagle, hand laminated with wood trim.
I haven't seen a new Mad River tandem in years and Bell has been gone about as long, so choices diminish.