Simple answer is - keep none of them
WFP supercedes (IMHO) Beery's work, so you don't need to keep any of the mentioned patches I'm currently running RB with just the WFP and the Promised Land's new terrain patch.
Vince
P.S. If you fancy something different, the Italian Patch is worth a look - Mark Munroe did a great job, and I helped out with the paint schemes and historical info on Italian units and aces