We're always improving QuickBooks for Mac. Here are some highlights from the last few years.

New Features in QuickBooks for Mac 2011
Multiuser
Work more efficiently by having multiple employees managing the books simultaneously.
Permissions
Control who can see what.
Mileage Tracking
Track miles driven for business.
New Features in QuickBooks for Mac 2012
Redesigned Forms
Sales forms have an entirely new interface. See customer history, open transactions, notes, and more right next to your transactions.
Online Banking Renaming Rules and Add Multiple
Save time by having QuickBooks batch enter your downloaded transactions. QuickBooks automatically creates rules to rename the payees from your financial institution.
New Search
Refine searches by adding filters. You can save searches so you can reuse them later.
Progress Invoicing
Invoice for projects in phases. You can create an estimate then invoice progressively against it.
New Features in QuickBooks for Mac 2013
Guide Me
Get help learning QuickBooks with information about various fields, buttons, and features.
Attach Documents
Keep your files and documents together with your QuickBooks records.
Import Contacts and Items
Import data from spreadsheets or from Contacts.
Batch Invoicing
Create groups of Customers and invoice all of them with a single command.
Intuit PaymentNetwork
The Intuit PaymentNetwork lets you easily accept payment online.