My blog has moved to sqlblogcasts.com/blogs/simons
The full version of this post can be found here., http://sqlblogcasts.com/blogs/simons/Lookup performance in SSIS
The new RSS feed is here
Ash has posted an interesting entry on the different ways of handling misses in lookups and the performance of each
His post can be found
http://blogs.msdn.com/ashvinis/archive/2005/08/04/447859.aspx
... To read the complete version of this post go here, http://sqlblogcasts.com/blogs/simons/Lookup performance in SSIS