DVI-D - DVI Digital (True Digital) DVI-D is a direct digital connection between your video card and your monitor. This type of connection provides a fast transfer rate, high quality image and no quality loss due to the fact that all signals from PC's are purely digital; no digital-analog-digital conversion is needed.
Typical costs: 1  A half-size keyboard with training software averages $200-$250. Expect to pay $550-$2,000 or more for a full (88 keys) digital piano keyboard with touch-sensitive keys and a damper pedal. 2  Beat-up traditional pianos are often available for $250-$500.
1 See: How Much Does a Computer Monitor Cost.  While most desktops include at least a basic mouse and keyboard, some users prefer to upgrade. A wireless keyboard costs from about $20 to over $200, a wireless mouse from about $20 to $100 or more.