Follwing are some top 5 cameras that should cost you around $100. These quick reviews look at the features available with these products.
IP-503 IP Internet Security Ethernet Camera w/Pan & Tilt Control: The IP camera has MJPEG hardware compression, 30 fps @ VGA resolution live video, has built-in pan and tilt, live streaming audio, and snapshot/video capture functions. These can be controlled from the camera’s on-board homepage. Capability for motion detection with e-mail notification at extra cost. No audio single or two way. Costs about $78
Low Lux Advance IP Kamera 9060A-SL Internet IP Camera (Blue): Video at 25 FPS, audio support, MSN and Yahoo! Messenger support, Low Lux Wide Angle & High Sensibility, motion capture, frame capture can be scheduled, 640 x 480, 352 x 288, 176 x 144 resolutions. Costs $60.
D-Link DCS-910 Network camera, Ehernet::Video with MJPEG compression, plug-and-play operation, manual and scheduled recording, low light sensitivity upto 1 Lux. No pan or tilt.Up to 15fps at 640x480, 30fps at 320x240,10fps at 160x120. Costs $99.99.
Axis 207 Network camera: MPEG4 and MJPEG video, UPnP support, also wireless network support, 640x 480 resolution, fixed design, no pan & tilt. Prices vary over a wide range, $65 at Amazon but goes up to $250 from other sources.
D-Link DCS-950 Network Camera: Video resolution upto 640x480 at 30 FPS, MPEG4, one way audio. No pan & tilt control,no motion detections or warm body detection. Costs $82 to $172 deopending on where you buy it.