This actually sounds pretty interesting.
http://planetside.station.sony.com/images/newsletter_0109/trench_warfare.vm?cid=EM1109&_mid=1109&_rid=1109.800.3360
Also looks like they made some changes to the DC max and will be doing another balance pass on weapons.
http://planetside.station.sony.com/images/newsletter_0109/ps_communique.vm?cid=EM1109&_mid=1109&_rid=1109.800.3360