Richard Hicks has some interesting recommendations on how to extend the life of your TMG firewall. Check it out over at http://tmgblog.richardhicks.com/tag/tmg-replacement/
About The Author
Debra Littlejohn Shinder is a technology and security analyst and author specializing in identity, security and cybercrime, utilizing her past experience as a police officer and police academy/criminal justice instructor. She has written numerous books and articles for web and print publications and has been awarded the Microsoft MVP designation for fourteen years in a row.