I don't know why, but I like it. (The series)
I remeber watching the first episodes years ago. (before you re-did them)
And there's just something about them that makes me enjoy watching it... Of course there are those slight things that anoy me slightly. But, that never really bothered me to any extent. The voice of David never bothered me as it does seem to others. I have noticed though throughout the series that it seems you toned his pitch down a step or two. (If intentional or not due to criticism). The fight seens do not dissapoint at all. The stature of David seems much more muscular and definded (which is good). Last of all your animation skills have improved greatly over the years.
The one thing I would like to note... It's obvious that your idea for the series has changed over the years. For instance. (Unless I'm just really the paranoid type)
Episode 1 - Humor
Episode 2 - Humor
Episode 3 - Epic/ Slight Humor
Episode 4 - Epic/ Sad (I only caught about 1 joke so no overall humor :P)
Episode 5 - (If it's in production) Most likely Full out Epic.
It's not exactly a bad thing. But just something I noticed.
Looking forward to Episode 5 (If it's being made that is.)