We could really use a 109G6/As, as it saw fairly significant use with units tasked with air defense. Most 8th AF scenarios and special events, this, or a variation thereof, would have been the most common fighter encountered. Luckily, it was virtually identical to the 109G-5/As, with exception of a pressurized cockpit. We could just call it a G-5, and while not technically correct, it would be effectively correct.
We could also use a G-14/As, which was also significant with interceptor units late in the war. I've seen a reluctance to use the K4 as a stand in, which is understandable, as the K4 exceeds G-14/As performance significantly at its critical altitude. However, the Bf-109G-10 would roughly match high altitude performance of the G-14/As, which is really the relevant attitude band for scenario use, but would significantly outperform it at lower altitudes, more closely matching the K-4. There's no ideal solution, so long as Hitech wishes to avoid subdesignations in the plane list. However a G-10 would work acceptably for scenarios, with certain restrictions as to employment.
We could also use an earlier Fw-190. An A-2 or an A-3 would be a good choice. Both would be fairly similar, the A-3 being fairly similar to our current A-5, but with about 500 less pounds of weight. The A-2 would be a pure fighter, carrying little to no ordnance, but would be the lightest we could get while still being representative. It would be slightly slower, however, using the 801C-1, producing 138 less horsepower at the driveshaft. However, it would retain all of the positive aspects of the 190's, high roll rate, stability, excellent dive characteristics, good acceleration, but it would be much more maneuverable, something on the order of a G-2's wing loading. This would be a very dangerous fighter in EW and midwar.
I would also like to see the 190F's ordnance options expanded. It was a robust, versatile, and highly capable attack aircraft, and that's just not represented in AH. It should also have an ETC503 rack under each wing for a 250kg bomb each, as well as provisions for centerline racks with 4 50kg bombs, and outer wing 300L drop tanks.