I was just wondering 3 things about Outlook 2010?

1) Is Outlook 2010 any faster than 2007?

2) Is Outlook 2007 use system resources any better than prior?

3) Is Outlook 2010 64 bit give any benefit over 32 bit?

I know 64 bit is useful for large excel spreadsheets in Excel or graphical intensive powerpoint presentations but how about Outlook does it gain any performance benefits?