Like Vision said best case scenario is have your friend make to suit you. As far as the original quesiton I have the zoomies and I don't have any issues or feel my legs are in a weird spot when I have my legs down.
1999 Kawasaki Vulcan (sold)
2004 Suzuki GSXR 600 (sold)
2012 High Ball - S&S Intake, Hacker Zoomie Exhaust, Ginz Chopper Teepee Sissy Bar
Saint Louis, MO