I haven't read your previos theads so no clue if you have you considered the Clear Alternatives integrated tail light? I own one and even on bright days its very noticeable. Some 100 LED's in it. Some say is too bright at night when riding behind.
Gitty Up & Go!
2007 VN 900 Custom modifications:
Corbin Young Guns Saddle*OEM Classic Gel Flame Saddle (when 2up)*OEM Light Bar*National Cycles Shield*OEM Ribbed Handlebar Grips*OEM Classic Rear Fender*PC III*V&H SCS Pipes (Modified)*Comet Milled BAK*Engine Guard*Genmar Risers*Clear Alternatives Integrated Tail Light*Kury Magnum Plus Mirrors*Kury Cruise Control*Upgraded Horn*Metzler 90/90/21*Avon Venom 200/70/15*Both SW Pulleys.