Yep.
A while back I found a script to convert models from X3 format into DAE, and used these models to learn about converting and what FS models require in order to work. I had quite a lot of fun getting some of them ingame.

Thought so (Nice Boron ship.. that's the Ray isn't it?)
I used to work with the old Xtended team before they got hired for Terran Conflict. Was one of their writers and a tester. Worked with Mokonzi to fill the BBS with fluff articles about all the new additions, and gave the Otas M0 (Which was never released) it's title (Castellum). And the Otas Arty frigate, another chap and myself gave it it's eventual designation of 'Onager'. So, I recognised that Otas ship right off the bat

Edit: Darius, I have a suggestion which might pay dividends for you guys. You can convert X3 models to FS2. You might want to talk to an X-modder called Cadius, of this mod
Here, he may be able to provide you with some of his models (As a few of them are from Nexus: TJI)