It depends what your needs are? What are you going to be using a monitor for?
Asus VN247H
1080p
1ms
HDMI x 2, D-Sub, DVI-D (via HDMI-to-DVI cable)
Samsung S24D390HL
1080p
5ms
D-Sub, HDMI, Audio Out
Dell S2340L
1080p
7ms
VGA, DVI, HDMI
Dell SE2416H
1080p
6ms
HDMI, VGA