Southern Grind Bad Monkey, this knife is awesome. Built for hard use with cf scales and Ti liners, it is a 4" blade with the handle being 5.25" I believe. Very ergonomic, also has the wave feature. Only down side for some people is the steel, it is 14c28n. This really doesn't bother me though, I can put a wicked edge on it very quickly and it holds for a good period of time. Also for the size of the knife it is incredibly light due to the cf and titanium.
As far as the military I have the titanium version and it is probably the most ergonomic knife I have ever used, incredibly sharp and overall a great knife, but there is something about the blade that just feels kind of weak. I wouldn't carry mine as a EDC or hard use. I am like you and really like larger heavy duty knives, but this one just doesn't do it for me. Again just an opinion.
Also Emerson's are great hard use knives. They are built tough and designed for hard every day use and feel like tanks.
Lastly the zt0801. I have this knife and it is heavy duty. Looks like it could take a beating and is build like a tank. Though I cannot say for certain how it acts with use because I have never used mine and will probably trade it or sell it soon to make room for other knives I would rather have.
Cheers