Sarah, the Business Aviation section of
http://aviationweek.com,
http://www.aviationweek.com/a
w/business/?channel=busav, is a good resource for news and background information on the business aviation/private jet industry.
Check out Business & Commercial Aviation magazine too,
http://www.aviationweek.com/b
ca.
The National Business Aviation Association (NBAA),
http://www.nbaa.org/, is a good place to go for industry information as well.
Source: http://aviationweek.com