And here's the list, up to date as of 1/6/16:
Class 91:
All Class 91s not listed here are in the new VTEC livery, and fitted with original headlight clusters.
Special Liveries:
101-New VTEC livery, but with a saltire at the front end. Side text now reads: "FLYING SCOTSMAN World Famous Since 1924". Now with "Flying Scotsman" nameplates too.
110 "BATTLE OF BRITAIN MEMORIAL FLIGHT"-Retaining Battle of Britain Memorial Flight livery (will be modified to include Virgin branding).
111 "For The Fallen"-Retaining For The Fallen livery. (Small Virgin logo now in place of the old East Coast one.)
114 "Durham Cathedral"-New VTEC livery, with altered branding commemorating the cathedral.
Fitted with LED headlights:
91104
91125
DVTs:
All Mk4 sets, including spare DVT 82224 and spare Open Standard (End) no. 12200, are in VTEC livery. Variations are present in the DVTs however.
Special liveries:
82205 (BN10)-New VTEC livery, but with a saltire at the front end. Side text now reads: "FLYING SCOTSMAN World Famous Since 1924".
Fitted with LED headlights:
82212 (BN12)
Refurbished sets: BN05
Class 43:
All VTEC 43s are now in VTEC livery.
Special Liveries:
238-NRM advertising livery. Also named "National Railway Museum 40 Years 1975-2015".
274-New VTEC livery with 'Spirit of Sunderland' branding over the top. Also named "Spirit of Sunderland".
300-New VTEC livery. Carries "Craigentinny 100 1914-2014" vinyls.
All Mk3s are in VTEC livery. 40805 currently in service with EMT.
Refurbished sets: EC51, 52, 54, 57, 58, 60, 61, 63, 64 (still w/ original seating)