Slightly OT: Video Disk Space Calculator app now available

Hi all,
I'm an FCP editor who works in a lot of different codecs, so I quite often need to know the disk space needed for a length of footage in a certain one. I know there are a few apps (widgets I think) that do this, but I disable Dashboard and haven't found any others I like.
As a former programmer by trade, I figured this was a good reason to try learning Cocoa programming.. So, as my first project, I present Video Disk Space Calculator (OSX 10.3 and above, 49kb zip file).
It's a tiny little app that does two things - calculates hard drive space based on codec/length of footage, and displays/prints out a table of codecs and their data rates. It's completely free of course. I would REALLY appreciate feedback, I figure by correcting issues and adding features I'll learn more about Cocoa programming...
Download here: Video Disk Space Calculator
Comments/Questions/Etc: http://www.rabidjackalope.com/vdsc/http://www.rabidjackalope.com/vdsc/
G5 Dual 2.5Ghz, 23 Cinema HD Display   Mac OS X (10.4.6)  

this is very nice! i particularly like the data rate
chart.
how about something similar for bitrates and various
compression methods? there are a few calculators out
there but i don't like any of them.
Thanks, glad it is useful.
I'll keep the bitrate and compression stuff in mind for Version 2 in the future. It's a good idea.
Thanks,
Jason

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