Maybe. Did you install SQL Express or SQL Server Developer? If Express, it won't be installed over, but they'll run side-by-side.

>So, what you are saying is that my SQL Server 2008 Developer Edition will install just fine over the pre-existing SQL Server "stuff" which was put there by my Visual Studio 2010 installation? And, that my SQL Server Management Studio will show up on the Start / Programs area as well?
>
>>I did exactly that ( on Windows 7 RC ) with no problem and then again on Windows 7 ultimate. SQL Server will need Service Pack 1 before you can use it ( at least for Win 7 but I'd install it anyway )
>
>>Just make sure you go through the install carefully an pick the full install that give you all the tools and BOL.