It's not at all productive, helpful or remotely relevant to come to unsubstantiated conclusions based on opinions and data that's 14 years old. $16.86 per day admission based on a weekly pass is hardly "a bunch".
Both homebuilts and antiques have been flying for the past few years in the pre show showcase and the main show.
I have never felt close to being overwhelmed by the crowds, the grounds are huge allowing for easily walking around without bumping into people. The only deep crowds occur at lunch time so go at 1pm instead of noon.
The aviation oriented exhibitors are not remotely aggressive and don't hard sell. That might only happen if you're in the market for a mattress or recliner.