In 2004, there was a fair bit of talk of Farnborough dwindling in comparison to Paris, and even questions of whether it was worth continuing it in the future, or consolidating to the bi-annual Paris Air Show. I was just reading an article about this recently, though I can't recall where exactly.
Given this year's Farnborough seems to be a reversal of the trend, to borrow the phrase, stories of its demise have been greatly exaggerated...
"So powerful is the light of unity that it can illuminate the whole earth." - Bahá'u'lláh