FS Instant Approach for FSX and FS2004 will put you on approach at any runway in the world, at any time of the day, in a matter of seconds - just choose the runway and select your options. Alternatively, choose to carry out an approach into a randomly selected airport
You can decide which runway to approach, how far from the airport you'd like to start, and in FSX you can select the airspeed at which you’d like to start the approach. There are various filter options available for runway selection and you can also set a wind speed and direction and lower the visibility to make thnigs more interesting!
FS Instant Approach will even help you out with the operation of the aircraft radios on approach.