I don't think this is a silly question, but I aggree that it could have been focused to a certain subject. Please Google or search.cpan the names :)))

1. POE for multitasking
2. PerlQT for nice GUIs
3. ming-perl for Dynamic SWF generation (my subject) or the SWF
module from CPAN, don't used it.
4. Class::MethodMaker /Class::MakeMethods from CPAN for OOP
5. as monks pointed out, definely Class::DBI
6. dig through perl.com articles
7. definetely look what the standard distribution brings to our homes. (Someting I have to do myself!)

I haven't used some of these modules, for my projects I've been growing this list in my mind for some time. So many modules to learn!!