I've used Visual studio Developer Edition 2010 to deploy database changes and find that as it maintains a project 'schema' that is compared with the schema of the current database...

Comparing schema's is great as the deployed database is far more likely to reflect yours! I've found its useful to version your database and scripts so scripts are only run...

Well often dialogs consist of a list of stuff with no guidance and worse hide stuff that are critically important (see analysis services dialogs). The bol was reset for sql...

Maybe one reason the questions are more basic is that the help on books online etc. is worse and harder to get to than before. Also the dialogs are terrible...

As far as I know, report builder is a bit limited for end users in many many respects while bis is too scary. If your happy to use bis then...

The only way I know of is to bring the report into bis and change the properties of the parameter in there.