Adam's 26

With a press in headset, the strongest option (stronger than tapered or integrated).

 retro modern stuff

 Big, heavy weird bars: 90* backsweep, 0* up and 14" back

BMW DOC knock off 4"s

http://bmxmuseum.com/bikes/lawwill_knight_company/72261

 Just gotta build a bike around the dropouts and add brake mounts to the farks... and make that goofy stem

Even with thinner chainstays, the rear end is ridiculously stiff on a twin top tube frame.