I am very impressed with RS at the moment. I looked briefly at this stuff a year ago when it was to be part of Yukon and liked what I saw a lot. Now the Report interface is done via Visual Studio and it is very powerful. My days of trudging through Crystal Reports or creating ad-hoc aspx pages may be over. The feature I really like are:
While I am just toe deep into the RS pool, I will undoubtedly find wrinkles I don’t like. But at first glance I am very impressed.