Cant do math - more like I fudged combining three different charts from different figures late at night, so you'd bite the bullet and reply in substance.
The 219 isn't going to be a good turner. Never with neither leading edge slats, nor that power loading, nor plain flaps. It'll have lots of lift to play with, but that's about it. It'll be sluggish. That it's a good BNZer is no sure thing since other than a good top speed hinting at good aerodynamics (how much speed does the 410 lose to those barbettes?), it's just a big anchor. It'll have good momentum once it gets going, but it'll be a big fat target otherwise. 4x108 + 2x 20mm is interesting, but not enough to outweigh the negatives. Especially not when the 410 has such a better powerloading and weapon loadouts. Pretty much every gun would be available: MG17, 131, 151/20, 108, 103, and BK5. The only thing the 410 loses out to the 219 is the comparatively light weight 4x108 loadout (nullified by the 219's total heft) and shragemuzic. In comparison, the 410 covers a way larger spectrum of gun configurations and ordnance. Everything from light weight to extra heavy (e,g, BK5+2x103, 6x151, 2x103+2x151).
Like I said earlier, I think there is room for a 400+ mph 6 cannon armed (8 with the Shrage Musik) twin in the MA. Especially one that looks so awesomely incredibly cool.
That sounds like the 410, IOW redundant. The 410 looks just as cool, has a glass cockpit, better gun options, can serve as ground attacker, will probably handle dogfighting better overall (slats, smaller target, and more excess thrust) although be a sharper more nervous thing.. All things considered, it's not surprising that HTC never mentionned the 219, but did have the 410 in the last poll and that it was mentionned by Pyro a number of times.
The 219 just isn't going to happen any time soon. Two 400mph six-cannon german twins aren't going to be added anytime near each other when there's so many other planes to add, when there's already one in the game, and when one of the two's both redundant and so much less attractive other than visually (and even then, the 410 is just as pleasing and has its own trump card - glass cockpit). Other than 4x108 and shragemuzic, the 219 has no functional advantage. It would be dogmeat while the 410 would be both more nimble (slats, dive brakes, lighter), punchier thrust-wise, and have the best guns in the whole game (on introduction and arguably forever after). A pair of 103s will trash pretty much everything they touch, and they'll touch pretty much everything thanks to ballistics like 50 cals. The 219 in comparison is just dogmeat.