So here are my results for this year:
Easter 2008 will occur on March 23.
The last time Easter fell on March 23 was 1913. The next time will be 2160.
2008 is a leap year. The last time Easter fell on March 23 in a leap year was 1856. The next time easter falls on March 23, in 2160, it will also be a leap year.
During the period from 1584 to 4584, March 23 has a higher fraction of occurrences as Easter in a leap year (11 out of 31) than every other date, except April 22. The lowest occurrence of Easter in a leap year is March 24 (2 out of 55)