We are committed to making sure our products are up to date with the latest Microrosft Technology and keep our own systems updated with the latest Microsoft releases. We are using RedHorse CRM live in our offices on workstations running Windows 7 x64 with Internet Explorer 9 and we are very happy. RedHorse is completely compatible with and very fast on Windows 7. We also tested with the developer preview of Windows 8 x64 due out next year - and had complete success!
We are also hosted on SQL Server 2008 R2 and running smoothly. We run Microsoft Office 2010 and have complete compatibility with our Word and Outlook links. We stand behind RedHorse running on the latest available Microsoft systems. We can also confirm compatibility with QuickBooks 2012 and use it live in our system here too!