F-86 and MiG-15 are so darn close it's real hard to tell, but just remember, if there's black coming out the back it's a Sabre. Which also makes the F-86 easier to spot at distance. I've personally not had too many issues spotting, but then again I've spent a lot of time spotting contacts in WT which can equally be a pain in the ...

That said, certainly wouldn't mind it being a bit eaiser in EDGE... whenever that happens