KiGoo allows you to integrate your Google Calendar and Contacts with Microsoft Outlook. So, if you install KiGoo and add your gmail account to Outlook via IMAP then you will have full Gmail googliciousness inside your Outlook client.
Manage Exchange and Google Calendars in only one program
Check free/busy availability of all Google Contacts who shared their information
See, Browse, Update, Email and invite your Google Contacts from Microsoft Outlook
No synchronization needed
Real Time access
Supports Microsoft Outlook 2007 and MS Outlook 2003