i say this because i have some bad experience with SQL 2005, and to get your attention.

So, i have installed on my machine Visual Studio 2005 Professional Edition, package include SQL Server Express. I can't connect to databases and can't create new one.

Now i have SQL Server Developer, i install it and guess what, it's not working: i can't install Analysis, Reporting, Notification and Integration Services, why's that? only SQL Native Client and some useless components. How to solve this problem? logs? does't help me.