I'm researching different products and am wondering if anyone can give me a good breakdown with pros and cons of performance analyzers. We're using in a J2EE environment using Websphere Application Server...the built in Tivoli tool is not robust enough for our needs. I've looked at Wily's Introscope and PerformaSure...they both seem to fit our needs, and am wondering if one is better than the other, and/or if there are other tools out there that I've over-looked. We'd prefere something that is not instrusive. Also, has anyone used J-Sprint or JAMon? Thanks!