>OK, I've read all the messages and am a bit confused.
>
>I have a box where I'd like to test and play around with Windows 7.
>
>Suppose I have an existing box with Vista (machine has plenty of RAM and disk space, was purchased in late 2007)
>
>Of the items William listed, VS 2008 and SQL 2008 are alarming (if it's indeed true). VS 2008 is certainly not new, it RTMd in the fall of '07.
>
>If I scrub my machine clean, install Windows 7, will I be able to install VS 2008 (and then the latest CTP for 2010) as well as SQL 2008 Developer?
>
>Kevin

Yes. You will get warnings on the SQL Server 2008 but it will work. Be sure to install the service packs.