For pure, clean, low-node vector output, Vector Magic 1.20 still beats modern auto-tracers. Its algorithm prioritizes "human-like" tracing, whereas Illustrator prioritizes "mathematical accuracy," which often results in jagged edges.
The software is noted for its user-friendly interface and "fully automatic" mode, which analyzes the source image and selects optimal settings without manual intervention. Sub-pixel Precision: Vector Magic 1.20