Did you solve these issues?
I assume by flattened EDL, they mean just one video track.
I am merely guessing though – don’t be afraid to ask them what they mean.
An EDL export should be possible from Media 100, =), via File->Print to EDL.
Although Media 100 has a really good export to After Effects XML option, and some Final Cut Pro 7 XML export options too – so do ask them which format they may prefer, =).
Exporting a textless version should be possible too, assuming any text you’ve added, was added to the graphics layers. You can mute any tracks, including video tracks – just by clicking the track name (i.e. v or v1, v2, v3, etc) and the entire track will turn grey and no longer play back. When you want the track unmuted again – just click it again.
So if your video was on v, and your text was on v1,
you could mute track v1 by clicking (v1) on the left of the program,
and then you could export via File->Export->File… as usual, =).
There may be other ways to do it too (you could copy and paste everything apart from the text to a new program for example), this is just the first thing that sprung to my mind.
Others may have other suggestions,
and perhaps in the last few months you’ve found your own way to do what you want too?
If so, do post back here, so others can benefit from your experience, =).
Yours,
Andrew.