i forgot to mention Matthew Frew's ship amongst the Strutters. it's another 45 Squadron ship.
i have no specific schemes in mind for the Avro 504, but i hope a single-seat night fighter home defense version is an option.
for SPADS, here's what i intend to build. most are French. many have been mentioned already. some of these schemes are pretty obvious (and necessary, because they're popular) choices:
1. Rene Fonck SPA103. essential.
2. Georges Madon, SPA38 (red fuselage)
3. Eddie Rickenbacker, 94th Aero Squadron
4. Gabriel Guerin, SPA15
5. Pierre Marinovich, SPA94
6. Armand de Turenne SPA12
7. Pavel Argenyev, SPA124
8. Marius Ambrogi, SPA90
Baracca would also be a great scheme and Copper State have a very nice Baracca figure to go with it.