First up, Black Tree Design are having a sale. Lots of WW2 28mm stuff at ridiculous prices.
Second, if you're interested in applying proper tactics to your platoon-level WW2 games, check out this post from Rich Clarke on the TFL blog. Obviously it's designed to accompany Chain of Command, but it's just as useful for any other WW2 system. Worth reading in conjunction with some of the links I posted a while back.