Everyone should have a good basic white tee in their closet....it goes with everything....denim, leather, a pretty skirt. Just as a basic white tee can go with everything, so can a white wall. We have been renters the past however many years and the last 3 places we've lived in have had stark white walls, not beige. At first I was bummed that we haven't had the opportunity to paint our walls a color, but I've kind of embraced the white. Like I said, it works with everything. Looks serene and beautiful in a bedroom or bathroom, can go country, formal, modern, rustic.
Don't be discouraged by the inability to paint your walls, embrace it!