OK all you purists out there, if you MUST dump $10K into all your gear just because 'it costs more, it must be better', I feel kind of sorry for you wasting all that money.

The ER-1 has 4 analogue emulation drum tones, 2 audio ins, open and closed hi hat, crash, clap, and accents. The analogue emulation tones have 2 basic waveforms (sine and triangle), which have in turn 6 mod types (sawtooth, square, triangle, random [sample and hold], noise, envelope), pitch, mod depth and mod speed, and all the emulation tones and samples have decay, level, pan, low boost, and delay depth and time.

The ER-1 also has a great feature called 'motion control' that you can use to record your knob movements within a pattern. Just get the pattern playing, hit motion sequence then record, and twiddle the knobs to your hearts content. It will save any knob movements you make, and you can make multiple passes on motion control with different knobs to make a huge layered effect, turning as many knobs as you have fingers perfectly in synch with what you want. It's great.

This drum machine can do it all. Crazy whacked out random wave forms, to analogue kicks, to booming speakerblowing lows. Bleeps, bloops, kerrangs, breakbeats, whatever you want. If you can think it up, this machine can do it. God bless Korg for making the ER-1. Yummy...

Also, it is worth mentioning that the ER-1 can be programmed to produce some very non-percussion sounds - combined with the motion sequencer it is capable of producing some very strange and original noises.