This is a FAQ that we get at least once every time we present. I got it last week doing launch activities in Portugal, and then earlier today on a webcast on extending SSIS.

For those not familiar with the excellent whitepaper on this, check this one out: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/bts_2004wp/html/14bc36a8-69a9-48ed-8e4c-1c85202544c0.asp

regards