First I'd like to thank Nein and Almasy for their critiques: I really appreciate them.
I did want to make one response to Almasy's critique of my current avatar: the border color was quite intentional; the reason it is that particular shade is because I intended it to match (as closely as possible) the borders present on these forums. While the match isn't exact, it's as close as I could get it.
Now, on to rating avatars...
BishojoSenseiProns:
I'll start with the quality, which is superb. There appears to be some slight grain on his chin, but you can only see that upon meticulous inspection, so I don't think it'd be fair to penalize the image for that.
The only problem with clarity is the background, I think; while it's certainly nice, you really don't know what it is (yet the impression I receive from the image is that there is something in the background; it's not random colors). Still, the focus of the avatar is the face, so again it wouldn't be just to penalize much for that.
I think the saturation is fine; the colors are crisp and vivid without being obnoxious.
Perhaps the biggest issue I have with the avatar is the bright spot in the far left; in my opinion, I don't think it does much to improve the avatar except to draw your attention to that particular edge. Of course, it is a nice effect, I just think it's a little too superfluous.
Overall, it's a very fine avatar.
Clarity: 9/10
Originality: 7/10
Color: 8/10
Personality: 7/10
Stature: 8/10
Opinion (not objective): 7/10
Overall (weighted average): 8.1/10
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I was working on another avatar (I just can't stop tweaking images right now

), so it'd be nice if I could get a rating for that one alongside my current one. I'm sorry for placing a burden on the next poster, but I'd really like some insight on these images, since I still haven't decided on this avatar's successor.
Actually, I'm pretty sure this one is going to be out of the running, but there might be someone who likes it (personally, I detest it)...