Well, it's not really new, but I've added a separate payment category for Solar Returns. It's on the Astrology Reports page, under Targeted Reports.
When the Sun returns to the exact position (by sign and degree) that it was at on the day you were born, that's your Solar Return. This happens once a year, and a chart is cast for that exact moment. This chart will not look like your natal chart: the Sun will be in the same sign, but the other planets will be in different signs. I interpret the chart as a description of your next 12 months (up to your next birthday). It's a snapshot of your year ahead.