BW view - you can see the tops of the fireworks - but BWI is between you and Epcot.
you get a lovely view of the lake and across the lake - YC and BC - it is quite nice.
If you kept your balcony door open - it can be loud.
bw preferred view is as hard to get as a standard view.
bw preferred and preferred (pools and garden) - are the same points wise.
standard is definitely cheaper point wise.