Record and play temporary macro
Press Ctrl+Shift+R to record a new temporary macro, then press Ctrl+Shift+R to stop recording.
Ctrl+Shift+P will play the recorded macro.
Previous cursor positions
Ctrl+- (i.e. Ctrl and Hyphen) cycles you through the code positions that you have visited.
Use Ctrl+Shift+- to navigate in the opposite direction.
Ctrl+] takes you to the matching brace. It also takes you to the matching comment, region or quote depending on where your cursor is.
Press Ctrl+Shift+Space to bring up the intellisense suggestions.
To enable/disable Line number go to Tools|Options|Text Editor|All Languages|General|Line numbers.
If you want to set this option for only one language, then choose the appropriate language instead of All Languages.
Go to http://msdn.microsoft.com/en-us/library/ms165392.aspx to learn more about this.