Well, if the dev team were unhappy with the current set, we would likely have changed it, wouldn't we? 
Shure
Apart from that, even if we were desperately looking for a new icon set, there would be no base for a decision, because you did not include a 16x16 preview (which is among the most important things).
Ok i've attached a 16x16 example.
The first difficulty is to make small icons. Bluntly said, every monkey can make a 128x128 icon that looks cool. The really difficult thing is to make an icon which looks good at 16x16 (and no, you cannot just scale the existing 32x32 icon by 50%).
A designer knows that but, why keep the 3D look on 16x16? This is almost impossible and seems to be contradicting the following:
The second complication is that all graphics in one unit (i.e. in one program) should more or less look the same. A simiar style should be used for everything. This is harder to get right than one would think at first.
The drop shadow (you called it "blurred") and the big, plastic-like highlight are two elements that most images in Code::Blocks have as "common look".
So this seems the "common look" is faulty? Not in my opinion. The feel and look inside the application is fine by me.
The last problem is that what you like is not necessarily what others like, and what you think is not necessarily what others think. This makes it particularly hard.
I'm not saying mine are perfect and should be used, nor am i saying to abandom the current set which explains the request in my first post to allow icon themes (not hard to do, look at TortoiseCVS)
Mine are not the best either for the colorblinds amongst us (1 on 5 men is colorblind).
Just pointing out that graphic design is not easy and a designer should take a throw at it. I'm no designer either but i do see the problem since i don't have 100% vision either (shades of grey give me double vision).
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