I expect it to be unveiled in 2015 as a 2016 model. As for the RS5, if the current RS5 is any indication, we may not see it stateside until the midcycle refresh. Although, seeing the RS7 being available now is a good indication that the next RS5 will not be delayed for the US market.
'13 panther blk RS5, Ti pkg, blk leather/alcantara, nav pkg, sport exhaust, driver assist pkg, rear shade, alu kreuz, ECS spacers 15f/10r, ECS tru-float rotors, ECS brake lines, Hawk HPS pads, european delivery
'07 phantom blk S4, blk leather, 6mt, conv pkg, audio pkg, heated front&rear seats, bluetooth, nav plus, parktronic, DTM pkg, carbon trim, TPMS, rear&side shades (sold)