I agree with all the reader comments on headers and their importance - but essentially I wanted to mention another bad commenting practice that is related to "neatness" and readability - I have come across both code & comments where the developer has used an unhappy & random mix of capital letters and lower case letters (eg: FIRST_name, last_NAME, middle_initial etc...) and is consistently inconsistent throughout the code. The code itself is excellent, but the readability is so painful (& for me traumatic) that I can't seem to go beyond just the sight of the whole thing.

So for all those out there who randomly use lower case and upper case and argue that the code works just fine regardless of what you use - refer to Andy Warren's line where he says that neatness contributes to readabilty - & readability finally contributes to maintenance - Just like you wouldn't trash your house with litter, look upon your code the same way - take pride both in it's functionality AND appearance!!!