1. The company went whole hog on the luncheon. They included both soup and salad on the menu, a choice of three main dishes and several desserts, and they paid for all the drinks, too.
2. When it comes to outfitting my car, I believe in going whole hog. I always get cruise control, extra padded seats, stereo, all the little luxuries.

Synonyms: pull out all the stops; go to town; whole nine yards. The expression does not convey the same sense of elegance as go to town does.