using modeling with plone/zope

Hello-
I just recently ran into finding the modeling framework.  Given my 
history with NeXT / Apple tools, I am pretty excited about it. 

I am looking for tools to build a new application, and have recently 
turned towards python (I am an old Objective C hack)

I am wondering-

1.  What do those of you with similar past (WOF/EOF) use for the web 
application layer?  That is, what do you use to map business objects to 
webpages with?

2.  Has anyone used Modeling with plone/zope?  Any strong biases about 
this ("don't do it" or "do this instead")?

Thanks.
Kevin


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