Hotstepper is a 12-channel drum sequencer for Windows that's packed with a lot of nice features. Full review coming shortly.

Features:

• Adjustable velocitiy and pitch for every event
• Up to 12 different sounds can be used simultaneous
• Adjustable velocity, delay, panorama position and pitch for every sound
• Adjustable pattern size and resolution (triple, quarter)
• Import wav files (10 second max, 44.1kHz, 16-bit, mono only) into the sound libary and select start and end sample points
• Export drum patterns as Windows PCM (*.wav) files
• Delay control so you can define the amount of the delay and adjust feedback
• Shuffle control for adjusting the type of shuffle and its intensity
• Organize patterns into a song (only one pattern may play at once)
• Wave Stretching allows you to define sounds that will be stretched automatically to the length of the beat
• Sounds can cut-off other sounds when started (ie. Closed HiHat stops Open HiHat)