Personally, I like the idea of being the "red-headed stepchile" since it forces me to think creatively about my bike. I think adapting non-Triumph focused parts makes us all better at bike craft. It would, however, be very nice to have a third seat option from Mustang or LePera...
A positive attitude may not solve all your problems, but it will annoy enough people to make it worth the effort. Herm Albright (1876 - 1944)