intellijel designs μstep price : $195.00

features include:
separate sequence lengths (1-8 steps long each)
seperate gate lengths
store/recall patterns (8 locations)
8 levels of shuffle
seperate sequence outputs with dedicated leds showing gate logic status
relative and absolute timing modes
gate range from 500us to 30minutes (capable of audio rate sequences)
compatible with stg time buffer (dinsync system)

use this module for:
beat/trigger sequencing (great for polyrhythms)
control of adsr/asr envelopes
clock dividing
swing clock
convert gate to trigger

download the manual here.

check out their youtube videos here, here and here.