The fronts are getting 10mm spacers and the rears can take probably 5mm, but im pulling the fender to fit a 8mm.
I have upgraded brakes and everything fits as-is. So, Im almost positive that your brake set up will work... Unless you are doing a huge brake kit.
http://www.dmv.ca.gov/pubs/vctop/d03/vc5201.htm ( read that ridiculous ruling )
When I actually do proper photo shoots, I have my euro plate and frame on.... You can see it in my windshield.
I was on a camping trip and wasnt trying to get pulled over.... So, YES.... I totally agree with you... It looks hectic up front