The issues I see with DCS and the modules coming out is that they are being produced by companies that are trying to compete in two very different sims. Devs like RAZBAM, Milviz are building DCS compatible aircraft from their FSX models. This is taking quite a long time to implement the weps functions and consumers keep speculating on how fruitful it will end up being and at what cost per module. Your hardcore group will buy everything the first week, but that is not your target market. They all forget its not a sprint, but a long distance jog, but still try to recover the money fast. The long dev time reminds me of some of the Il-2 add-ons and how long it took to get them in game. If at all.
Secondly, I see the UH-1 as simply a test aircraft to see how it interacts with the engine. Like the P-51. It really does not fit into the modern environment with it's rockets and crew served weapons that do not allow for multi-player.
My biggest disapointment was CA. It is a cool idea, but did not get the attention to truly make it a standout. No views other than from the weapon station, so driving is iffy and you have to traverse the turret to see anything around you. The guns are great, but as a SAM commander, its more like firing TOW missiles. I get my a$$ shot off by the SA-19 when it is AI controlled, but from a player, you have to guide it like a wire guided missile. I dont like that and see players feeling the same when asked about it being included in MP missions. Plus I see many aircraft drivers staying well outside of threat range and high, so the guns dont come into play much.
All in all, I think DCS is a great sim. High learning curve but it works right out of the box. MP sells games and they have taken it to another level. Now as long as they dont saturate the market with DLC purely to do-so and start adding maps and match era aircraft, it will be successful. Just my $.02
-Jeff