M-Audio soundcard (costs less) RME soundcard (if you want to spend more)
Mikrokorg isn't so good (i tested it). Very bad feeling of controlling
Accurate for producing (but very small keys) and Very awful for controlling parameters with knobs when playing live.
Software Ableton Live 5 or Logic 5.5.1 for Pc (U can find the logic 5.5.1 for free at
http://download.info.apple.com/Apple_Su ... num551.zip