An introduction to computer audio
Windows Media in Vista can be controlled by a remote.
They come in all flavours:
Simple ones offering you an array of buttons using IR.
TRUST RC-2400 Vista remote control € 24,95
Universal ones includes a nice touch screen and allows you to control almost any piece of equipment in your home using RF
Philips Pronto TSU 9800 €1,799.00
There is another way to control a PC, login from another computer using the Remote Desktop.
Today's netbook's are cheaper than many luxury remote controls.
No, you can't control other equipment.
Yes, you have exactly the same interface as if you where working on the remote computer locally so you can not only select a song but edit it too.
Asus Eee PC 4G € 299,-
A plethora of applications has become available for the Android and iOS platform.
This allows you to use your phone as a remote control or play audio on the phone using the content on your home network.