A fine article from the good people at A List Apart (the website for people who make websites). I always strive for aesthetically pleasing design in my work at Andornot. It just feels better when it looks good.
In Defense of Eye Candy
"Research proves attractive things work better. How we think cannot be separated from how we feel. The next time a boss, client, or co-worker scoffs at the notion that beauty is an important aspect of interface design, point their peepers here."