I use SSMS quite a lot for queries that I use often. One missing feature in SSMS is collapsible regions, but there is a plugin for doing that. This has made canned queries that I use often more easy. It would be nice to have something like that in LinqPad. It would be handy to be able for instance to create canned queries that have a few variables at the top and a region of query code that is collapsed so that it is easier to look at and harder to mess up the code by accident.