If you want to get an insight of what's hot on the next version of Reporting Services, you can't really do better than get it straight from one of the product managers.  So checkout Jason Carlson the Principal Product Manager for reporting services who is presenting  a webcast on 1 November. 

Of course if reporting isn't your thing then there are these upcoming webcasts out there as well:

I'm not sure if I'm free on the 12th June, but it's good to see we're planning ahead!