• Processor: 2.0 GHz or above.
• Disk Space for XpandedReports: 25 MB
• Disk Space for Java Runtime (required): 90 MB
• Memory: XpandedReports uses 256 MB of free memory or 1 GB of total memory
• Operating System for Client Computers: Windows XP (SP2 or later), Vista or Windows 7
  
• Operating System for File Servers: Windows XP (SP2 or later), 2003, 2008. Vista or Windows 7
  
• Java: Java 6.0 or later

Supported QuickBooks versions

XpandedReports is synchronized with Intuit’s sunset policy.  Starting in May 2010, XpandedReports will support QuickBooks 2008 or newer. 

http://support.quickbooks.intuit.com/support/DiscontinuationPlan.aspx

Enterprise versions 8, 9 and 10
Premier versions 2007, 2008, 2009 and 2010
Pro versions 2007, 2008, 2009 and 2010

XpandedReports may work with the following versions of QuickBooks, although not all features are supported due to differences in the Intuit Software Developers Kit (SDK):

Canada versions 2008, 2009 and 2010
UK versions 2008, 2009 and 2010