Meet the Peak SP60: a space saving strength trainer that uses motors to generate resistance instead of traditional weights. It has two servo motors that control speed, position and torque. You an adjust the resistance from 4lbs to 265lbs.
The SP60 has a footprint of L 23″ x W 12″ x H 24″ when folded. It has wheels that let you easily move it around. You can perform hundreds of exercises, including squats, bicep curls, bench press, tricep extensions, and other common moves. It has 3 training modes.