MicroKorg is cool. You'll like it. The only drawback is that it has limited polyphony (amount of notes/sounds that you can play at the same time) and has no drums. So unless you are planning to use it along with some simple hard disk recorder (or program (Sonar, FL, Cubase etc) along with some synth/sampler that can take care of drums it's not going to do for drum and bass. Not just by itself.

You can always get it and then get one of Roland's grooveboxes. You will need a mixer to use both though.

Also, since you are getting a synth the best way to use it is to use it together with your computer. In fact if your computer is up to specs you can use software synths and control them with your MicroKorg.

Just letting you know what your options are.

But if you need it just for messing around with cool synth sounds and not necessarily music making MicroKorg is cool. Like I said. You will like it.

At least I know that some of my friends do.

-ED-
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A gentleman is one who never hurts anyone's feelings unintentionally.
- - - Oscar Wilde