As noted by Chuck and Caskbill, all OKW GV's are two floors, with no HCA access to the second floor. In addition, there are only 2 GV's (out of 27) that are accessible at all- one in building 48 with ground level access for the first floor and one in building 63 with elevator access to the first floor of the GV. All others are up a flight of stairs to get to the first floor of the GV.
BWV does have elevator access to all GV's and does have some with a single floor layout and some with 2 floors. (Total of 7)
At SSR, all are 2 floors, but both levels of all GV's may be accessed by elevator (it's still a short distance to the GV from the elevator, but none will involve stairs to get to either floor).
At VB, none of the 6 Beach Houses are accessible- there are stairs to get into the GV and all are 2 levels- all BRs are on the first level.
At HH, all GV's are two levels and none have elevator or ground floor access. All HH GV's have the first floor accessed from the second level of the building (there are NO ground level villas at HH - all of the first floor villas are up a short flight of stairs and the GV's are above that level- up 3 flights of stairs).
Caskbill mentioned the reallocation of points at OKW back in 1996 (announced in fall of 1994). Each of the room types experienced some change. GV's went up a few points in Adventure and Choice Seasons and went down for Dream, Magic and Premier Seasons.
Pre-1996, GV's were 31/77 (weekdays/weekends) in Adventure Season and in 1996 went to the present 36/88. In Choice it was 37/92 and went to 38/91.
In Dream it was 45/112 and went to 45/107, Magic went from 52/130 to 51/123 and Premier went from 68/170 to 66/162.
(Off topic- but Adventure Season saw an increase for all room types and Choice saw an increase for weekdays, decrease for weekends for all except Studios which remained the same. The other seasons saw weekends decrease for all room types, decrease for weekdays in 1BR, 2BR and GV's and stay the same for studio weekdays. - actual points needed provided on request!

)