There are growing signs, though, that the battle for supremacy in this multibillion-dollar market may yield a hollow victory. As electronics makers, technology companies and Hollywood studios haggle over the fine points of their formats, consumers are quickly finding alternatives to buying and renting packaged DVD's, high-definition or otherwise. "While they fight, Rome is burning," said Robert Heiblim, an independent consultant to electronics companies. "High-definition video-on-demand and digital video recorders are compelling, and people will say, 'why do I need it?' " when considering whether to buy a high-definition player.