In short, the 3rd Edition Rulebook is the perfect way to gear up your Flames of War force for the new rules - whether you want to build upon an existing force, or start afresh!
They came out with a new edition before I could finish it & paint my first army. I'm going to finish my army, sell it & give away my 3rd edition stuff. This is basically Warhammer for WWII. Try Micro Armor The Game by GHQ: better scale, better rules, better figs.