Has any of you tried any rules engines. What have your experences been.
Try ruleCore, it can be downloaded from www.rulecore.com. It's free(GPL). It implements reaction rules (Event-Condition-Action) and is event-driven...
Check out IDIOM Decision Server www.idiomsoftware.com. It has an easy to use platform, highly configurable and provides independently managaged business decisions. Very appealing visual aspect is a bonus - a real doddle to set up!