In the list of flaws, Armen singles out splitting, compile errors, weird field names, the lack of database relational design and popup dialogs and others. Apart from late binding of Excel which my guys leave until we do have a problem and splitting of databases which we don't do until the database goes into production, I like Armen's Amateur Signs list ,
If you want to dive deeper into the topic of the "Less the perfect Access solution", have a read of Luke Chung's article on Taking Over Someone else's database.
All the best and Happy Birthday MS Access
Programmer who didn't ever use Access 1.0 or 1.1