>>What if in 6 months time the client comes back and says I need extra
functionality.

If the clients has new requirements, then I'll submit an estimate for 
the extra costs.
The idea is not having him to pay for something he doesn't need, only 
for extras
when he need extras.
Cross tables are more complex to handle, so why make it simple when you 
can make it
complicated huh ?

In the example I gave, I started with about 8 areas users could be allowed,
now I have about 20 in the project, and the same code using a list in 
one field
is still working like a charm.
If the client now claims he need 200 activities, the cost to convert the 
present system
to use a cross table instead of a list will just be marginal, compared 
to the cost of developing the
180 new activities! ;-)

I also have plenty of items using cross tables, when it is better to use 
a cross table.
My point is just that it is NOT true that cross tables are always 
better, ...
execept in books ;-)

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