This would be the THX logo I'm thinking of:
http://www.youtube.com/watch?v=SompK3nQ4Mk
Most people associate THX with quality so it'll have that familiar sense when you hear it, and still keeps that "George Lucas" feel since it's Star Wars.
There's also the DVD version, which could be altered to say "The preservation of sensation," and do the above part.
http://www.youtube.com/watch?v=d-9CFg9rJD0