On polls - If you are obsessed with polls even though they dont mean much at this stage check out pollster.com
Pollster.com: 2008 National Presidential General Election:McCain vs Obama
They are a nonpartisan site which collects results from all of the major polls and uses them to generate trend lines for all of the different contests up this November. Of course, all of these polls are no more than a snapshot of today (at best) and everything could be different tomorrow