BCV is a smaller resort and more popular (partly due to SAB - a sandy-bottom pool that no one but BCV guests can use.)
BWV is a larger resort so your best bet will likely be a preferred view (nonboardwalk) 1BR. BW views and lower-cost standard views are very popular for BWV owners and can be tough to get at 7 months out in general. 1BRs have the same max occupancy as studios but cost much more, so they tend to be the last to go.
you can waitlist one other room type...i don't know if a preferred (nonBW) view studio at BWV or a 1BR at BCV is a better bet...but at 5-ish months out, for an epcot resort during food&wine...i honestly will be a little surprised if the waitlist ever comes through...