Here is SSIS deciding that "No, you really don't need to move this data."
I really like the "smarts" that went into that engine. I make sure that I keep busy and don't move on to othe areas of the application, but dedicate my full an undivided attention to SSIS, as it is apperantly should be.
Would it be too hard to provide a deteministic engine? SSIS would run only (random) parts of the sequence container if I right click it and tell it to "Execute Container". Doing a full debug seems to work, but it execute stuff that I don't want to run right now. Urgh!