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I use :<line-number><enter> to go to a specific line; it has the advantage of showing the digits of the line number as it's entered.

If you set the 'showcmd' option, the command you're currently typing is displayed on the last line of the screen (same as command line) on the right.

Of course, saving one keypress on this isn't a big deal but it's nice sometimes to be able to see the command you're typing.