Coordinate stock activities, reports and queries by making use of the Stock Centre
Set min and max re-order points
Setup detailed sales price lists by item (opposed to fixed percentage across all items and services in Pro)
Create basic build assemblies by introducing the bill of materials for manufacturing items

For the inventory/manufacturing business owner:

Sell or purchase stock in different units? For example, buy in kg or rolls and sell in cases or units?
Leave the conversions to Premier by enabling units of measure
Sales Orders can be converted into Quotations/Invoices/Purchase Orders