Yes. I'm running Win7 RTM with SQL 08 and VS08. I haven't installed VS2010...yet. But, you can install it on WIn7.

>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.
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>Suppose I have an existing box with Vista (machine has plenty of RAM and disk space, was purchased in late 2007)
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>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.
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>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