Yes i've read the accusim is a must...so you can buy the P-47 first, and then upgrade to accusim?
I also bought the 3D lights package from A2A, and it is quite cool...i can now see street lighting from a distance away, nice effects, you can choose the type light glow, etc...
All in all, I spent about $70 in addons and will be spending another $70-100 on a few fsx addons(and $120 for a new harddrive); I would hope that some enterprising people see the market for some DCS addons!!
@ Oban, Hitman is correct, change the service you are trying to connect to!! I use #2 for any north american destinations!