Bought this to replace iCal
I originally bought this because iCal ditched the ability to look at a month view (on the left) simulataneously as you were looking at your calendar on the right. I really missed that from the redesigned iCal because it helps me in my planning. I have found that this calendar is 100% reliable and does everything Id like it to do. I maintain about 10 calendars from my work calendar, to my personal calendar to my kids and family schedules. I make calendar events to remind me of everything and it really works well!
Debebva about BusyCal 2