Acer Aspire SA243Y P1 23.8" FHD 144hz 1080p IPS Monitor $99 + Del. ($0 C&C/ in-Store) @ Harvey Norman

This has been at $99 before but they are accepting delivery now.

HDMI and VGA only no display port unfortunately

Experience a dynamic display that performs equally well for work and entertainment with the Acer SA243Y P1 23.8" FHD Monitor. Delivering crisp detail and comfortable viewing, this device boasts 1920 x 1080 resolution, 16:9 aspect ratio, 144 Hz refresh rate, 1 ms response time, and 92 ppi pixel density. It also highlights a sleek flat screen design, ready to accommodate your daily activities.