WHEN wo see pictures of speed-boats dashing about at incredible velocities, with their bows several feet out of tho water and their stems apparently balanced on a mass of white foam, we sigh and say, ' How nice to be rich enough to have one cf those ! ' And it is true that racing motor-boats are an expensive taste. But a cruising boat can actually be cheaper than a car, and it is of ' motoring afloat' as a sport, a pastime, or a holiday well within the reach of the middle classes, that Mr. Faire will talk today.