I have a new Dell desktop. The first thing I did was install Vista 64-bit and bumped it up to 4GB of RAM.
I'm now trying to install a default instance of SQL Server 2005 Developer and can't get Reporting Services to run because IIS isn't installed. After trying the click-a-bunch-of-stuff in the "Turn Windows features on or off" dialog, I decided to read the instructions. I may have to start by reading the instructions from now on... click-a-bunch-of-stuff may no longer be my default...
The instructions are here - and I am happy to Report (pun intended) that they work.
The dialog you're after looks like this:
Be sure to install the latest service pack (SP2 at the time of this writing) when the install completes.