Widescreen Resolution Reference

For those looking for a reference for standard/wide video formats in computer pixels, here's a short matrix I've created.
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Standard Video Formats (in pixels):

[WIDTH x HEIGHT]

720x480 NTSC STANDARD
640x480 PC STANDARD
512x384 PC STANDARD
480x360 PC STANDARD
360x270 PC STANDARD
320x240 PC STANDARD

Widescreen Formats (Video, 1.78:1):

1920x1080 HDTV WIDE
720x405 PC WIDE
640x360 PC WIDE
512x288 PC WIDE
480x270 PC WIDE
360x202 PC WIDE
320x180 PC WIDE

Widescreen Formats (Film, 1.85:1):

1920x1038 FILM WIDE
720x389 FILM WIDE
640x346 FILM WIDE
512x277 FILM WIDE
480x260 FILM WIDE
360x195 FILM WIDE
320x173 FILM WIDE

Other:

720x205 70MM Film 2.35:1 (North America)
720x200 70MM Film 2.40:1 (Europe, Asia)

Also, here's an Aspect Ratio overview from Panavision that is very educational.