SQL Intellisense® style word completion for MS Query Analyzer, VS.NET 2003, SQL Server Management Studio and VS 2005.
I think that title says it all. The tool is still in beta and needs to be sharpened up a little, but this is one thing that I was hoping would have made it into the Yukon\Whidbey Product line...
Don't judge it to quick right now. Red-Gate just aquired the tool and I am sure it will be first class when released. I am very impressed with the line of tools that they have released to date.