Aight Macman. Here's my critique/advice/comments. =D
So as for the you being slow thing, I'm only kind of in agreement. Your doc seems a tad sluggish at times, absolutely, but that doesn't necessarily mean you should start rushing to make up for it. What i've seen in the videos (watching the three kyu puff ones) so far is that your lack of "speed" isn't really in your tech, but in the way it looks like you're thinking. Granted, i'm not the fastest doc in the world, but my feeling on the subject of speed is similar to yours, that it's great when it can actually do you some good, and when you don't need to be super fast, you shouldn't be.
Thats all well and good, but what I think people are critiquing you on in terms of speed is that you're slow at times when it's kind of inappropriate to be slow, like you're getting nervous or choking up. It's fine to be slow when you're chillin and in control of the speed and tempo of the match, but if you're not you should be on the move... however safely. I saw a couple wierdly placed fulljumps and stops out of dash that just kind of ended in a wierd, awkward delay. This happens to me once and a while too, and it's usually when i'm getting mad nervous or trying ot be uberfast.
My point is, then, that if you want to get faster, more power to you, but don't concentrate on getting faster fingers or moving the doc faster, concentrate on slowing the match down for yourself so you can keep you cool, know what's going on, and be able ot react accordingly. This might be a stretch, but a big thing alot of my teachers always say in the martial arts is that the speed of a great fighter is most often just an illusion created by his timing. Control the timing, control the tempo of the match, and it'll look like you're mad fast because everything is hitting just when you want it to. Especially against someone who outspeeds the f*cK out of you like a fox, this is a major thing to get a handle for.
In short, CONTROL. How does doc control? In my experience, jab, pills, chaingrabs, etc. Depending on the character, of course. Against a nasty fox I would hav eliked to see more spaced dsmashes and the like, which always end in epic gimpage.
So, yeah. It just seems like you're not always clear on what's the most appropriate thing to do with doc at what time, so you're kind of doing random stuff like some SH capes and the lot. Granted, SH cape--->waveland is freakin' cool, A) be sure you can pull it off, and B) do it when it will actually do something for you.
That being said, your tech is on, so really I think you just need to get to know the doc better. As far as I know oyu're not a doc main, right? So it's understandable that you two need to get a bit more..
...
intimate..
