A Cadillac of lacing line?
If you want big, heavy, poor handling but comfy, go with the bungee (not that it makes the 16 any bigger or heavier, but it does reduce the stiffness of the boat considerably).
If you, however, want the Porsche or the Lotus of lacing line, go with any good pre-stretched line, especially one with good UV protection that doesn't take on water. Then, follow the various guides on this board (especially soaking the line, using the mainsheet to pre-bend the side rails a bit, and either using a buddy or a tool to keep the lines tight as you lace) to lace up the tramp real tight. Also, think about doubling the grommets in the center of the tramp for extra tightness (and less losing the mainsheet!).
The trampoline on the 14 and 16 contributes almost all of the stiffness of the boat. A nice tight tramp will make the hulls much more "connected" and give you a much better feel for what the boat is doing, especially when trapped out. Thile the bungee'd tramp was nice and bouncy (I tried it once), the tight tramp is by no means uncomfortable.
Just my 2c!
*edit*
Just FYI: the other boats do not depend on the tramp tightness for stiffness nearly as much. Because of the pylons that the 14 and 16 tramp sit on, there is little resistance to twisting at this juncture. On all other boats, the crossbar beams are attached all the way across each hull (two bolts that attach to the inner and outer lip of the 17 and 18, right through the hulls in the rotomolds, two bolts on the inside and outside of the deck of the FX-One and Tiger, not sure about other boats but a similar idea).
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Tim
Unofficial Fleet 72 Communications Officer and Div 4 Webmaster
http://www.hobiefleet72.org
http://www.div4.hobieclass.com/