Smith & Wesson recently came out with a new line of Military & Police knives that are awesome. There are a wide variety of styles of blade as well as handle styles. The knives have a great medium sized handle and flip out with a trigger on the spine. They are classified as spring assisted, which I guess they are. But they are as close to an automatic knife as I have seen, without actually being one. The detailing on the handles is nice, it provides a good grip when holding them. The weight is excellent. They feel heavy enough in your hand that you can use them with some leverage. The blade styles vary widely. The one pictured here on the side is one that I like. Check them out on my website at this link:
This is one great series.