Well....
Depends on the nature of the data and the compression algorithm you're using. If the file is 3GB worth of 0's followed by a 1, you can compress it down to a few bytes. If the data is totally random, there will be hardly any compression possible. Some compression algorithms do well with English text, some do well with raw binary data. Etc. etc.
Do you want lossy or lossless compression? A DVD worth of video can be compressed down to a few hundred MB if you're OK with a substantial reduction in video quality.
Does it have to fit on one CD? Many compressing programs allow you to split the compressed file into smaller pieces, for example two files at 700 MB each.
everything is wrapped in gray
i'm focusing on your image
can you hear me in the void?
Either split up the files with compression and put them onto multiple CD's (what I did with Cubase SX3), or get a DVD burner (been meaning to get one, but meh).
Because I doubt you'll really get Cubase down to 700mb. =P
"... and so I close, realizing that perhaps the ending has not yet been written."
Well, Im just going to have to wait for my new DVD burner. My last one broke ( still dont understand why ). But I ordered a new one and should come on Monday. Thanks anyway guys.