Nuno:

# Oh, I should have added that I use uniform allocation in all my
tablespaces, rather than automatic allocation. As such, I never get
any of the conditions described in Jonathan's posts on ASSM.

....

Like you already mentioned I am a big fan of the uniform size of 1
mb ... depending on the database design or lack thereof many OLTP
systems work just peachy with almost everything in 1 mb allocations.

At times ( as you mentioned already ) you may find a few things
outside ( and maybe way outside ) the range where you want to do
something above 1 mb.