Product pitches aren't on the list of reasons why we attend conferences: 
Conferences are on my mind at the moment. Partially, it’s because I recently attended the Open Source Summit and Linux Security Summit. I’m also in the process of submitting speaking proposals to various upcoming events and will be travelling to at least one more conference this year.* There seem to be four main conference types:
read more: Opensource.com MikeCamel
Supporting Open Source.
Have you tried: Visiting Port Elizabeth?