This software for XP supports tilt / pan from a browser
Control the Logitech Sphere from a remote location.
AbelCam® gives you full Web Control for the Logitech Orbit / Logitech Sphere and the cameras below
Other PTZ Cameras: Creative Live! Motion | Typhoon Motion Cam | In-Sight Motion Webcam | Sweex Motion Tracking Webcam
USB Tilt/Pan Device: TrackerPod