The final solution is actually purchasing an LCD projector. This may make business sense if your company needs a new one or you expect to make many presentations in the upcoming months. Several vendors like
InFocus , Sharp and Canon make LCD projectors in the $700-$4,000 range. Look for a unit with the highest ANSI Lumens rating you can afford, which is the spec that will determine how well images can be viewed. Cables To Go , for instance, has a great virtual projector online that helps you select the appropriate cables. You also may need a video output converter to translate your laptop's video output into a signal the digital TV can use.