For the folks who are serious about keeping an edge, the Lansky Diamond Standard Sharpening System gives you the best tools for the job.  For a little extra up front, you get the awesome utility of diamond hones to make quick work of every sharpening chore.  The easy to use knife clamp with multiple angle selectors insures that you've always got the right angle for your specific blade.

The Diamond Standard Sharpening System is especially appropriate for harder steels or the individual who wants it sharp and wants to get it done now.  It includes the clamp with 4 preset angles for every edge profile you encounter.  There are three sharpening stones including Course Diamond, Medium Diamond and Fine Diamond.  It's also great as a starter kit since the case has room for 2 more stones should you decide to add them later.  Also includes 3 guide rods, honing oil and a carrying case to keep it all together.  Simple and effective, if you use a knife, you should own a Lansky Sharpening System.