Hey guys I had forgotten that I have written up a few new army lists for the 1644 rules. The Polish, Cossack and Muscovite lists can be found here :
I have yet to finish the Ottoman and other lists but this is a start. I really like the rules but there are parts that leave our group just scratching our heads. The owner of the Yahoo Eastern Renaissance discussion group (Pan Mark) has an excellent list of small additions which will help you enjoy the game and rule system even more (I use about half of his suggestions).