www.astro.com

A great website with information for those new to astrology as well as more seasoned astrologers.  You can enter your birth data and those of your loved ones and friends and generate charts that are interactive and informative.  You can look at relationship charts (composite charts) and see why you are attracted and what your challenges may be, as well as individual daily horoscopes specifically for you and it's all free!  There are also more extensive paid horoscope choices if you wish...