You can get access to a one year subscription to hundreds of different trade magazines absolutely free.
http://savingadvice.tradepub.com/
These include trade magazines in the following categories:
Agriculture
Automotive
Biotechnology & Pharmaceuticals
Computers
Construction
Education
Engineering
Executive & Management
Finance
Food & Beverage
Government
Healthcare
Human Resources
Industrial & Manufacturing
Internet
Information Technology
IT - Data Management
IT - Security
IT - Software & Development
IT - Storage
Insurance
Mechanical / Machine
Meetings & Travel
Multimedia
Network / Communications
Purchasing & Procurement
Retail
Sales & Marketing
Small & Medium Business
Telecom & Wireless
Trade/Professional Services
Transportation & Logistics
Utility & Energy
Free trade magazines for those in Canada
http://savingadvice.tradepub.com/?pt=cat&page=_CAN
Free trade magazines for those in Mexico
http://savingadvice.tradepub.com/?pt=cat&page=_MEX
Free trade magazines for those living overseas
http://savingadvice.tradepub.com/?pt=cat&page=_INTL