Don, I have a 2003 28' Safari SO which never had a cabinet between the slide and reefer. The spot you mentioned in your layout is a pull-up table top & folding chair storage cabinet in mine as I have a front couch. Here are pics of what I built and added between the reefer and slide to gain almost almost 4 cubic feet of storage space; four drawers above plus bottled beverage storage. The wheel well is behind the the wine spot.
There was cabinetry across the front in some 34 SO models. Here is a picture.
"Good judgement comes from experience. Experience comes from bad judgment."
Sirs Gawain & Galahad
Air #48582, WBCCI #4584