Yes, unfortunately TK never put together an ultimate collection or really discounted the individual titles at all, which is a shame (cuz $50 for the whole series in a package would be a good offering and probably generate a lot more sales at this point).
And yes, unfortunately, most of the major mods were done in the heyday of the series and assumed that the users had purchased most or all of the previous titles (borrowing various items from each). So, ya, it is going to cost you - the bad news. The good news is that there are quite a huge number of add-ons/mods and some very good major mods for the series (Korea, Operation Tainted Cigar (Cuban missile crisis what-if), Vietnam Enhanced, and Nato Fighters 5 (can choose a number of different eras in this one from 50's, 60's, 70's, 80's for fiction European conflict) being highlights). So there is quite a lot of additional add-on value if you eventually decided to take this plunge (be it an overly expense one tho).
Last edited by Redwolf2; 09/17/16 10:56 PM.