Finally, after 3 anxious weeks, I just got the results:
Thanks to this forum, it was really helpful. By the way,
Frank Kuepper has the best advice I found on this forum, I totally agree.
Later I want to post more details of what I did (I used my
OOAD with UML recipe 
)
At least, I'm not the only who says I'm a software architect!

[ July 25, 2007: Message edited by: Gabriel Claramunt ]