U3's Couch

When you create a new pipeline component, there are a number of options available to you: you could write it completely from scratch, or you could simply use Martijn Hoogendoorn’s Pipeline Component Wizard, which can save you heaps of time.The Pipeline Component Wizard can be downloaded from the following link:
http://www.codeplex.com/btsplcw/Release/ProjectReleases.aspx?ReleaseId=2248

This tool can be run to gain a consolidated view of orchestration tracking data for a specified period of time to help developers get an idea of how their orchestrations are being processed and how much coverage they are getting in their testing. In addition to simple coverage information the data presented helps to identify latency and code path exceptions by highlighting long running and error prone orchestration shapes which is key to effective performance testing......

Have a look here for a complete description.
You can download this amazing tool from here

The purpose of this article is to share those useful tips with you , you can find it here : http://msdn.microsoft.com/msdnmag/issues/07/05/BizTalk/default.aspx

There is a helpful tool which examines the BizTalk Server 2006 deployment and generates a list of issues pertaining to best practices standards for BizTalk Server deployments this tool called "BizTalk Server 2006 Best Practices Analyzer" you can download from here: http://www.microsoft.com/downloads/details.aspx?FamilyID=dda047e3-408e-48ba-83f9-f397226cd6d4&displaylang=en