Yeah it is certainly on the steep side, tho Accusim aircraft work out to about 50 bucks a pop, PMDG tubliners are usually around 80. Judging from the 777 fervor over at Avsim, I bet PMDG will make a nice profit. Whether it is worth it or not, that's certainly up to the simmer, but I think the sheer amount of research and programming that goes into each of these ultra complex simulations such as your Accusim warbirds and PMDG tubes does add up.
Personally I will probably will return my F1 King Air, I might hold out until this SP is released provided it is before my 30 purchase mark. Not returning it because it is a bad airplane, on the contrary it is an excellent airplane, perfect for someone who wants a very systems deep King Air. Just for me it doesn't quite fit my FS personality while the already pretty nice Turbine Duke fits very well. I need to be able to get out of the Darrington, Concrete, Harvey Field type <2500' strips @ with full fuel, which the B200 is a little too big for. Now, if F1 does an F-90, I might be all over that lol.
I look forward to the Milviz Mu-2 and the Razbam Merlin III. I also read somewhere on Avsim that RealAir will be updating the Dukes, possibly to their Legacy standards.
Cheers
TJ