The highest video resolution of the SpaceCam is 1280 x 720 pixels. That's over three times the video resolution of the most frequently found maximum video resolution of 640 x 480 pixels. Across all webcams of this age and type the worst video resolution is 640 x 480 pixels and the best is 1920 x 1080 pixels.
There are a number of alternative webcams that have a video resolution of 1280 x 720 pixels currently available which you might want to look at including the HP HD 2300 (£12.16) which has a better Rating; or the HP HD 2200 (£15.55) which is cheaper.
If the video resolution of this Typhoon webcam is too low for you then you might want to look at the Logitech CC3000e (1920 x 1080 and higher rated).