There’s a big difference between running your knife along a sharpening stone and actually sharpening it. Here’s how much pressure a Master Bladesmith recommends you need when you’re sharpening a knife with a whetstone.
Knife Angle chart - Every type of knife blade has its own bevel angle. Paring and filleting knives that have to slice through delicate flesh, such as tomatoes or raw fish, have shallow bevels just 5 to 10 degrees. Their edges are very sharp but easily blunted. A camping knife or pocket knife should have a bevel of 10 to 15 degrees; its edge is less keen but will stay sharp longer. Cleavers and chopping knives that have to cut through bone have an even steeper bevel, usually between 15 and 25…
Ever heard of the "Sharpie Method" when it comes to knife sharpening? If you're starting out in knife sharpening and are wonder if you're doing it right, here's a simple trick to see if you're on the right track. http://www.blademag.com/blog/4-steps-to-perfect-freehand-sharpening
Knife Blade Steels - A Comprehensive Guide - Here is a good guide to the numerous different knife steels, including several of the "hi-tech" steels. Also, click on the link to hid article on forged steels.