One additional comment on this ... if anyone is interested in alot more detail along similar lines to this blog, I've just co-authored and published a comprehensive white paper with HP's Kieran McCorry entitled Best Practices for Exchange Storage Management. You can find it here:
http://wm.quest.com/reg/marketing/landing/exchangestoragemanagement/. This represents a consolidation of best practices developed over years of working with customers of all sizes - including the world's largest Exchange organizations ... 39-pages of reading enjoyment!
David
Microsoft
