The comabt system is fairly easy. Just stay still, and the minute the stalfos lowers its guard to attck, jab. That's the most efficent way to do it. Once you've done it a few dozen times in the Shadow ttemple, it should come naturally and you'll kill them off in under 10 seconds.
I like the combat in WW, even if it's too easy most of the time. The parry option is maybe a little too much relied upon, but it's not done too badly. I also like the way they incorperated large-scale and spectactular fights into WW, they can be really fun. Most of all though, the way in which different items will affect different enimies adds a fair bit of depth that previously in the series just didn't exist. For example, you'll pick up some nice stuff with the grappling hook if you know where to use it, or the boomerang will do something logical but slightly unexpected. It's another form of exploration.