I don\'t find the oft-used \"*\" to be very nice looking - can anyone suggest a nicer-looking method or point me to an example?
I tried making the field highlighted
Generally speaking, the best web forms are the simplest ones that require me to think the least. The "standard" that has evolved is that required fields have an asterisk (*) next to them. Sometimes the asterisk is red to help it stand out a bit.
Why fight the standard? Don't make your users think too much. Go with the standard and keep your creativity for more important things.