Application Monitoring Options
http://feedproxy.google.com/~r/OmMalik/~3/-ENw7Ehss1g/

Blog post with quick description of the possible solutions and some of the players in each space. If you are looking for system monitoring, network monitoring, latency, etc tools, check this out.

Jeffrey Kelly
http://sailwhatcom.com

Great scalability related blog/site
http://highscalability.com/blog

Jeffrey Kelly
http://sailwhatcom.com