This model would be better. Rather have the wing cannons internal so it can mount the other 2K in external bombs along with the 4K internal. And, yes, it would have to be a perked bomber.
Specifications (A-26B-60-DL Invader)General characteristics
* Crew: 3
* Length: 50 ft 0 in (15.24 m)
* Wingspan: 70 ft 0 in (21.34 m)
* Height: 18 ft 3 in (5.64 m)
* Wing area: 540 ft² (50 m²)
* Empty weight: 22,850 lb (10,365 kg)
* Loaded weight: 27,600 lb (12,519 kg)
* Max takeoff weight: 35,000 lb (15,900 kg)
* Powerplant: 2× Pratt & Whitney R-2800-27 "Double Wasp" radials, 2,000 hp (1,500 kW) each
Performance
* Maximum speed:
355 mph (308 knots, 570 km/h)
* Range: 1,400 mi (1,200 nm, 2,300 km)
* Service ceiling: 22,000 ft (6,700 m)
* Rate of climb: 1,250 ft/min (6.4 m/s)
* Wing loading: 51 lb/ft² (250 kg/m²)
* Power/mass: 0.145 hp/lb (108 W/kg)
Armament
*
Guns:
o 8 × 0.50 in (12.7 mm) M2 machine guns in the nose
o 6 × 0.50 in M2 machine guns in the wings
o 2 × 0.50 in M2 machine guns in remote-controlled dorsal turret
o 2 × 0.50 in M2 machine guns in remote-controlled ventral turret
*
Bombs: 6,000 lb (2,700 kg)-4,000 lb in the bomb bay and 2,000 lb external on the wingsI don't need the dorsal turrent locked to the pilots, leave the two turrents like the normal system AHII has, just give me the 14 forward facing .50's and 6K worth of bombs, and that performance ride.
Krusty, I'll show you all sorts of reasons to strafe with an Invader.

Heck, I want to see the look on the noobs face

who tries to HO me flying an Invader!

This would be great against GV's and taking down towns. Like an Uber-Mossie, or better than taking a Boston, A-20, or B-26 on the deck.
It would be a sweet ride and worth spending buff perkies on it.
The B-25 OTOH, is not as capable, certainly not worth perkies to fly over the B-26 or B24, and HTC won't put it in the game, because too many people would whine that they want to be able to take off from Carriers with it ala Doolittle Raid.
Similar reason I think we won't see German medium to heavy bombers... the air to ground glide bombs and guided rockets they could carry. Get one, folks will want the other, so avoid the issue completely......