Despite the huge disappointement due to Relic/Sega announcement to stop support DOW3, the game is still loved and played : more custom games, and and always still great, with his epic battles !! This is not surprising, you guyz said that you love w40k and you proved it by making this amazing game !
So, to my opinion, it would be better to invest and developp it, and thus, it would be preferable that new factions and expansion packs are on (and not off) the table !
Don't let Warhammer Total war occup all the place in RTS landscape.
Show them which GW licence is the finest one !